Most software engineers believe that having the best thinking — the most complete, most nuanced analysis — is what drives career success. Early on, that belief probably helped you invest in yourself and improve. But at some point, the habit of overanalyzing starts to work against you. In today's episode, I explore why the most useful beliefs in your career aren't necessarily the most accurate ones, and how deliberately leaning into "useful illusions" — heuristics that are technically incomplete but directionally correct — can make you more decisive, more action-oriented, and less likely to burn energy on arguments that don't matter.