Overcoming anxiety and finding peace starts with training your thoughts through faith, truth, and intentional habits. Psalm 16:7 reveals how God counsels and steadies our hearts—even in the quiet, vulnerable moments of the night when worry tends to rise.

This devotional connects faith with the practical reality of how our minds work. Left unchecked, our thoughts often drift toward fear and negativity, especially in overwhelming seasons. But peace isn’t out of reach—it’s cultivated. Through consistent practices like prayer, Scripture, and renewing our thinking, God begins reshaping our inner world. While transformation may feel slow, it’s deeply powerful. As we learn to focus on God’s voice over our fears, we begin building new patterns of peace that steady us in every season.

Highlights

Our minds naturally drift toward worry without intentional focus
Peace is built through consistent, faith-filled thought patterns
God’s truth can reshape how we respond to anxiety
Spiritual practices and practical tools work together for healing
Lasting change takes time—but progress is happening beneath the surface
God meets us in our overwhelm and leads us toward freedom

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Full Transcript Below:

Training Our Brains Toward Peace

By: Jennifer Slattery

Bible Reading:
I will praise the LORD, who counsels me; even at night my heart instructs me. Psalm 16:7 NIV

According to mental health experts, our brains, left untended, drift toward negativity. That’s probably why what-if thinking hits hardest and feels most relentless as we’re trying to drift off to sleep. If you’ve listened to many Faith Over Fear podcast episodes or follow me on social media, you might have heard me talk about my “no-good-horrible-terrible-really-bad year” (that actually lasted for three). It was a season of complete overwhelm that felt never-ending.

Initially, I endured intense anxiety nearly from the moment I stepped out of bed until I finally fell asleep. There were some nights when this hyper-alert state, and all the stress chemicals flooding my body, kept me awake for over 48 hours at a time. This went on long enough that I began to fear I’d remain perpetually exhausted and never again experience God’s peace.

This felt particularly frustrating because I was actively investing in my spiritual health. I still read my Bible each day, often numerous times—including in the wee hours of the morning when I needed reminders of God’s presence, purposes, and promises. I prayed constantly. I simply practiced sitting with the Lord in silence, placed sticky notes with relevant Scripture throughout the house, and memorized and regularly recited verses declaring Christ’s power and grace.

None of those practices seemed to help, or at least, not enough to quiet my overwhelm.

I began finding relief once I started actively focusing on retraining my brain through grounding techniques, listening to biblical content throughout the night, and seeking support from a counselor. With the Holy Spirit’s help, intentionality, and consistency, my anxiety steadily decreased. Now, while my amygdala, our brain’s alarm system responsible for fight-or-flight responses, still gets triggered on occasion, those unpleasant bursts feel much fewer and shorter-lasting, with ever-lengthening periods of peace in between.

While I highly doubt David, ancient Israel’s second king who wrote today’s verse, understood neuroplasticity (our brain’s ability to grow and change throughout our lives), he seemed to recognize the importance of “taking [his] thoughts captive and making them obedient to Christ,” as 2 Corinthians 10:4 encourages. When his circumstances felt hopeless, and his soul weighed down with sorrow and fear, he regularly turned to God, sought His help, and meditated upon His unchanging and immutable truths.

“I will praise the Lord who counsels me,” he wrote, indicating a close connection with his heavenly Father in which he actively listened. He also seemed to elevate God’s voice above his overwhelm, a skill that takes practice and determination, and that, apparently, led to the latter part of today’s verse where his heart, so filled with truth, “instructed” him at night—perhaps when he most struggled with fearful thoughts.

Intersecting Life &Faith:

I’ve experienced chronic anxiety for as long as I can remember. For years, I assumed this was simply my plight, caused by genetics and biochemicals. I didn’t realize how past experiences, including an unpleasant childhood, had trained my brain to remain hyper-alert to threat. (It’s hard, if not impossible, to feel at peace while constantly scanning one’s environment for danger.)

I also didn’t understand the ways and speed at which our neural pathways grow and change. I expected grounding techniques, like diaphragm-breathing, to provide instant calm. When that didn’t occur, I assumed those tools simply didn’t work for me. Again, I was simply an anxious person.

I now recognize that our thoughts take time to change. According to Dr. Curt Thompson, a Christ-following psychiatrist who studies the brain, our neural pathways, or thought channels, grow at the rate of two millimeters a day. That’s a slow transformation! While that fact might feel discouraging, to me it provided focus and hope. Focus because it helped me comprehend the power of every intentional or automatic thought. In other words, my brain was changing—for better or worse, toward increased peace or fear. This knowledge sparked a determination to do my part, as best as I was able. It also helped explain why this initially felt so hard (and at times, still does). I’d spent a lifetime building and deepening those unhelpful channels.

In the Faith Over Fear episode titled “Breaking Negative Patterns: How to Rewire Your Brain for More Peace and Less Anxiety,” Dr. Alan Weissenbacher compared our neural pathways to freeways. Rerouting our thoughts involves dismantling the unhelpful freeway upon which they’ve historically traveled while building new roadways. If today’s devotion resonates with you, perhaps check out that episode. I also invite you to subscribe to my free daily Faith Over Fear emails designed to help you build holy mental highways. Reach out to me through my website if you’d like me to add you.

If you struggle with ongoing anxiety, I pray you walk away from today’s discussion with this: You aren’t stuck in your overwhelm. Peace is possible! The Lord, your Prince, or source, of peace will lead you to increased inner tranquility and, dare I say, joy. Perhaps He’ll encourage you to try the steps I shared here. Or, He might guide you differently, in a way uniquely effective for you. But you can trust His heart to see you live in the freedom He purchased through His death on the cross. When anxiety hits, ask Him to show you the healthiest response in that moment, believing He’s helping you dismantle the neural pathways that threaten to enslave you while leading you to your best self and most fulfilling life.

Further Reading:

Philippians 4:4-8

Isaiah 26:3

John 14:27

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