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We have no higher calling than to know who God is. Join Ligonier ministries for our 2027 national conference in Orlando. Together with Christians from around the world, we'll gather to hear biblical teaching on the glorious attributes of God, equipping us to serve him faithfully and pursue his glory in every sphere of life save 35% on your registration with the early bird rate@ligonier.org we know that what the
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pagan does according to Romans 1, is that the first lie that he embraces is the denial of the eternal power and deity of God. And then his mind becomes darkened, and the more brilliant he is, the further away he moves from that first awareness of God that he gets in nature.
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So how do we break through that barrier of denial? Thank you for joining us today for Renewing youg Mind. This week we are in RC Sproul series Defending youg Faith. It is a comprehensive look at apologetics. More and more in our culture, we find people who flatly deny the existence of God. So can a rational case be made to counter their denial? Let's find out in this message titled the Case for God.
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In our last session, we looked at briefly at the watershed moment in the history of theoretical thought when Immanuel Kant penned his critique of Pure Reason, giving a comprehensive critique of the traditional arguments for the existence of God. And after that, Kantian critique and the disintegration of the classical synthesis. The question that the church was left to face is, well, how do we now approach apologetics? How can we legitimately make a case for God without falling into the trap of problems posed by Kant? And frankly, there were several different approaches to this. One of the main ones was what I've already defined as Fiddeism, where people try to just leap over the ditch or jump over the wall or go around it, dig under it through faith, saying, now we can't argue convincingly for the existence of God. This is something that you just have to take on faith. And that's the way not only many theologians have gone, but also many Christians have said to people when they raise objections to their personal faith, why do you believe what you believe? And they say, well, you just have to take it by faith. And some even go so far as to say, you have to take a leap of faith into the darkness and hope that there's somebody out there that will catch you. And that reminds me of one of my favorite illustrations that I used to hear from Jim Boyce, where he told the story of the mountain climber who was high up on the wall of the mountain a couple of thousand feet from the canyon floor, when all of a sudden his rope broke and he started to fall. And he reached out and grabbed ahold of a tiny little branch that was growing out of the rocks, and he was holding on with all of his might with one hand suspended 2,000ft above the ground. And he could feel that the branch was coming loose from the side of the rock face. And he lifted his eyes to heaven and cried out, is there anyone up there who can help me? And suddenly there was this deep voice coming out of the clouds saying, I can help you. Trust me. Let go of the branch and have faith, he says. And the mountain climber looked up at the clouds and he looked down on the canyon floor and looked back up the clouds and said, is there anybody else up there that can help me? That's part of the problem of just going on blind faith. And even though the term faith has a highly valued meaning to biblical Christianity, there is a difference between that faith and credulity and foolishness. But again, people are saying that the way of the Christian world is the way of faith, not the way of reason. The ancient church, Father Tertullian, raised the question rhetorically, what does Jerusalem have to do with Athens? And he said, I believe Christianity because it's absurd. Well, if he means absurd from the world's perspective, that's one thing. But if he means really objectively absurd, then that would be a serious slander against the character of God and against the Holy Spirit, who is the spirit of truth. Others take the position that the way to reconstruct theism is through appeals to history. I have many friends who are apologists who take this route, acknowledging that arguments from the field of history can never give you absolute proof, but only a high degree of probability based upon empirical investigation. But that that high degree of probability gives you what's called moral certainty. My friend John Warwick Montgomery, for example, prefers this way of arguing, arguing from history, and particularly from the historical Jesus back to the existence of God, and saying that the arguments from biblical history may not give you formal certainty, such as is found in logical deduction, but certainly is evidential to such a degree that it leaves the person without any moral escape hatch. Now, we say in the courtroom today, when people are charged with serious crimes, that the burden of proof is on the prosecution, and they must prove that the person is guilty beyond a reasonable doubt. And so those who were called evidentialists, who argue from history try to show that the evidence of history so communicates and proves the existence of God that. That it is beyond a reasonable doubt, and the evidence is so overwhelming and astronomical in its probability that only a fool would deny what it clearly manifests. The problem I have with that is that I think there's a better way, and that even if we have an overwhelming probability, the sinner still has that tiny little escape hatch where they can say, well, you didn't prove it beyond a shadow of a doubt. Maybe it's not reasonable for me to doubt it, but you haven't proven your case conclusively. And also, there was a philosopher by the name of Lessing who, in a similar fashion to Immanuel Kant's critique of the traditional arguments, posed the metaphor of the great ditch that divides this world from the world of God. And he said that the contingent things of events in history can never yield the proof of eternal things. That was his argument. That was very similar, as I said, to Kant. But again, this is one way that people approach the issue, by reasoning from history and from evidence. In fact, I am frequently described in the world of apologetics as an evidentialist, and I've tried so many times to clarify that that's not where I'm coming from, that I've given up on it and just let people call me an evidentialist because I know what they mean by it. They think there are only two kinds of apologists, presuppositionalists or evidentialists, where there's really more than that. And I would fall into the school of thought that is called the classical school of apologetics. And the difference between the classical school and the evidential school is the evidentialists argue that the evidence drawn from history and elsewhere give you a high degree of probability for the existence of God. Where the classicist argues that proof for the existence of God is conclusive, that it is in fact compelling, that it is actual proof, and leaves people without any excuse whatsoever. Now, that's a very burdensome thing to claim that you can prove the existence of God absolutely, because if you fail to do it, then you have mud all over your face for having made the audacious claim that your proof is compelling. But I do think that classical apologetics achieves that goal of compelling proof. But before we get to the classical view, let me mention another approach to apologetics, which has become the overwhelming majority report within Reformed theology. And that is the view of apologetics known as presuppositional apologetics. There's more than one variety of it. There's axiomatic, presuppositionalism, that was championed by Gordon Clark. But the more popular view of presuppositionalism is that that was developed by Cornelius Van Till, late of Westminster Theological Seminary in Philadelphia, where he labored for several decades, and who has published much in this field and who was indeed a genuine giant and titan of the Christian faith. The book that I co authored with John Gerstner and Lindsay we, entitled Classical Apologetics, includes in one third of that book a comprehensive critique of presuppositionalism. So because of that book that Art Lindsley and John Gerstner and I authored, we have become engaged in ongoing dialogue within the Reformed camp with respect to what is the preferred approach to doing apologetics. And Dr. Van Til, having written in the English language, which was not his native tongue, he was a native of Holland, sometimes writes in a style that is somewhat difficult to follow. And because of that, not only do his critics differ among themselves as to what he was actually saying, but also some of his most noteworthy students differ in how they interpret him. Some of his students interpret Van Till as a Fiddist, whereas I think his most able interpreter, the late Gregory Bahnsen, did not see Van Till as a Fiddist, but saw him arguing a rational case for the existence of God. And I'm not going to get into a lot of discussion right now about presuppositionalism, only to say by way of introduction that the presuppositional approach says this, that in order to arrive at the conclusion that God exists, in order to prove the existence of God, you must start with your primary premise, your first premise being the presupposition of the existence of God. In other words, that unless you start by presupposing the existence of God, you will never get to the conclusion of the existence of God. Now, of course, the immediate objection that is raised against that form of thinking is that that procedure of starting with the thesis that God exists and then reasoning to the conclusion that God exists involves a classic fallacy of logic called the patitio principi fallacy, or the fallacy of circular reasoning. And the fallacy of circular reasoning occurs when the conclusion appears already in one of your premises. See that the conclusion is already assumed up here. And so this is a faulty form of reasoning which invalidates an argument. And that's been the chief objection raised against presuppositional apologetics. However, the defense that Dr. Van Til gave to that, because he was certainly aware that that charge would be made against this approach, he defended it by saying that all reasoning moves in a circular fashion, insofar as its starting point, its middle ground and its conclusions are all involved with each other. Which is to say, if you start with a rational premise and you reason consistently in a rational way, your conclusion will be of a rational sort. And so with that kind of definition, Dr. Van Till justifies his use of circular reasoning, saying that it's no different from anybody else because all reasoning is circular in that sense. Well, those of us who don't adopt this approach to apologetics find in the justification for circular reasoning the commission of a second fallacy that is as deadly as the first one. The first fallacy is the fallacy of circular reasoning, which in classic categories of logic invalidates an argument. The justification for using circular reasoning involves the second fallacy, which is the fallacy of equivocation, where a term changes its meaning in the middle of the argument. When he justifies circular reasoning by saying that all reasoning is circular in the sense that its starting point and its conclusion, or of the similar sort, that's not what is meant by circular reasoning. We've all understood that a rational argument, if it's going to be rational, must be consistently rational throughout. And why call that a circle when in fact it's linear? You begin with a rational premise, you use another rational premise, and you move and advance to a conclusion that is of a rational sort without running around in a circle. Now, granted, there is a presupposition in rational argument, the presupposition of reason, the presupposition of the law of non contradiction, the presupposition of causality, and the other presuppositions that I've been setting before you in this class, including the basic reliability of sense perception and the analogical use of language. Now, Those who defend Dr. Van Til here, like Greg Bonson, are saying really what Van Till is getting at here is something a little deeper than a superficial exercise in circular reasoning. What he's saying is that if you want to assume rationality, to even assume rationality involves you out of necessity of presupposing the existence of God. Because without God there is no foundation for rationality. There's no foundation for trusting the law of causality, there's no foundation for trusting the basic reliability of sense perception. And so even though you don't admit it when you advocate reason, you are already assuming the ground of that reason, which is God himself. So let's just be open and above board and say anybody who presupposes rationality is therefore presupposing the existence of God, and they're simply disguising that. And so I feel the weight of that because we certainly agree as classicists that it is true that if rationality is to be meaningful, and if these presuppositions of epistemology that I'm talking about are sound, then they scream for the existence of God. But that's exactly what classical apologetics is trying to prove, that if you want to be rational, you've got to affirm the existence of God because the very reason that you're presupposing demands the existence of God. But we have to show people that, and we don't think it's a good strategy to muddle the argument by saying, well, you have to start with the existence of God in your premise, in your argument in order to approve it. Because then the other guy says, well, I'm going to start without the premise of God and I'm going to end up in meaninglessness, okay? And now what you have is a tie. And as they say, that's like kissing your sister. And we're not interested in that kind of. Of experience. So the biggest objection that I have, frankly, besides these logical errors to presuppositionalism, is that nobody starts with God except God. You can't start in your mind with God, the knowledge of God, unless you're God. Where we say you start is with self consciousness. And from self consciousness you start, you move to the existence of God. You don't start with God consciousness and move to the existence of the self. By necessity, human beings thinking with human minds must start with where they are with their brain. Now, the objection that comes to that is that we are capitulating to secular pagan ideas of thought. I remember debating this point with one of the advocates of presuppositionalism in a public meeting almost 30 years ago where this particular professor was very exercised when I said that you have to start with self consciousness. And he said that that's unbiblical because that what I'm doing is assuming the autonomy of the self rather than the sovereignty of God, and that this is exactly what Adam and Eve did in the Garden of Eden when they rebelled against God, and that it is a sinful, fallen, corrupt way to start reasoning by beginning with the self rather than with God. And I said to him, I would certainly agree that, that if my first supposition, my primary premise in reasoning was the autonomy of myself, that I would be guilty of everything you say, that I would be indeed already embracing paganism. And I could only end up if I were indeed consistent with the deification of the self and the rejection of God. But I said we don't start with the autonomy of the self, but simply the consciousness of the self. And I reminded my friend that Augustine himself said that with self consciousness always comes immediately an awareness of finitude, that the moment that you're aware of yourself as a self, you know you're not God. That's what Calvin argued at the same time. And I'm saying that the idea of autonomy, where you're a law unto yourself, is not contained in the idea of self consciousness. If it were, it would indeed be sinful to start at that point. But what we're saying is that the beginning with self consciousness is a given to creatureliness. It's the only place any self can start with their thinking. And you cannot start in your mind with his thought, or with my thought, or with God's thought. The only thing you start with is your own self awareness. And from there you move, because you are a self and you will soon discover that you are not autonomous at all. And that's what we're saying, that if you begin with self consciousness and you reason correctly, so far from ending in autonomy, you will in fact end by necessarily affirming the existence of God. Well, again, that's just a very brief overview because this dialogue goes on and on and on, and we've had several discussions among ourselves. And this is an intramural debate among Reformed thinkers who, apart from this approach to apologetics, agree on basically all the doctrines of the Reformed faith, but disagree on what is the proper way to strategically and theologically in our defense of God. The fear among presuppositionalists is that in arguing rationally and empirically that we give too much away to the pagan world. And of course, the fear of the classicists for the presuppositionists is they give too much away. They give the pagan an excuse for not believing in the existence of God, because the pagan can see that their approach violates principles of rationality. But one thing we all agree on is that the construction of the existence of God is certainly the most important single premise in the building of a person's life and worldview. And that we know that what the pagan does, according to Romans 1, is that the first lie that he embraces is the denial of the eternal power and deity of God. And then his mind becomes darkened, and the more brilliant he is, the further away he moves from that first awareness of God that he gets in nature. And so we all agree in the supreme importance of establishing early on in our apologetic the existence of God. That's the first thing that has to be established. We agree that God is first in the order of being, obviously, but the disagreement is what comes first in the process of knowing. We say God is first in the order of being, but not first in the order of knowing.
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An important distinction there between classical and presuppositional apologetics. I'm glad you've joined us today for this Thursday edition of Renewing youg Mind. You know, you and I are called as Christians to give an answer for the hope that is within us, and RC Sproul helps us do that in this series on the history of apologetics and the truth claims about Jesus. We will send you Defending youg Faith on a special edition DVD to thank you for your donation in support of Renewing youg mind@renewingyourmind.org or when you call us at 800-435-4343. You'll also receive streaming access to all of the messages in the free Ligonier app. In addition, we'll add Dr. Sproul's series, Apologetics of the Early Church, to your learning library, so request these two series when you donate before midnight tomorrow at renewingyourmind.org Ultimately, there are four possible reasons to account for the world's existence, and when you think about it, only one of them is logically compelling. Discover why Friday here on Renewing youg Mind.
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Sam.
Podcast: Renewing Your Mind
Host: Ligonier Ministries
Episode Date: June 4, 2026
This episode, titled "The Case for God," explores the rational and philosophical arguments for God's existence within the discipline of Christian apologetics. Featuring teachings from R.C. Sproul (speaker B), the discussion takes listeners through the landscape of apologetic approaches—including fideism, evidentialism, presuppositionalism, and classical apologetics—ultimately advocating for the classical approach as the most compelling method for defending belief in God. The episode is rooted in biblical and theological reflection, engaging critical thought while calling Christians to give a reasoned answer for their hope.
The episode opens with a historical overview of how thinkers like Immanuel Kant changed the way arguments for God are constructed.
Fideism: Emphasizes faith over reason, suggesting belief doesn't require rational justification.
Evidentialism: Focuses on probability and historical evidence (e.g., arguments from history, particularly regarding Jesus).
Presuppositionalism: Developed mainly by Cornelius Van Til, this Reformed tradition starts with the presupposition of God's existence.
Classical Apologetics: The approach Sproul advocates.
Sproul's Mountain Climber Illustration (Fideism and "leap of faith"):
"The mountain climber looked up at the clouds and he looked down on the canyon floor and looked back up the clouds and said, is there anybody else up there that can help me?" – R.C. Sproul, [03:33]
On Reason and Self-consciousness:
"We don't start with the autonomy of the self, but simply the consciousness of the self... the moment that you're aware of yourself as a self, you know you're not God. That's what Calvin argued at the same time." – R.C. Sproul, [21:24]
On the Stakes of the Debate:
"The construction of the existence of God is certainly the most important single premise in the building of a person's life and worldview." – R.C. Sproul, [24:16]
R.C. Sproul speaks with intellectual rigor, clarity, and a pastoral concern for equipping Christians to defend their faith without falling into logical errors or faith divorced from reason. He uses illustrations, references to philosophical and theological giants, and occasional humor to make complex ideas approachable and memorable.
This episode of Renewing Your Mind offers a deep dive into the philosophical groundwork for belief in God, comparing apologetic methods and advocating for the classical approach. Listeners are left with a clear understanding of how Christians can confidently and rationally make a case for God's existence, while appreciating the intellectual and biblical heritage of such arguments.
Next Episode Preview:
The host mentions that the following episode will examine the four possible explanations for the world's existence, promising to reveal which is logically compelling.