The Lethal Amnesia of Prosperity: How Full Stomachs Produce Forgetful Theologians — Deuteronomy 8:17-18

and lest you say in your heart, “My power and the might of my hand has gotten me this wealth.” But you shall remember Yahweh your God, for it is he who gives you power to get wealth; that he may establish his covenant which he swore to your fathers, as it is today. — The deadliest theological error isn't denying God exists — it's believing your wealth proves you don't need him.