Is Fear Sin? What The Bible Really Says. We live in a culture that’s allergic to fear. Not just afraid of fear—afraid of admitting fear. It’s been replaced with empowerment slogans, self-help theology, and a “God is my buddy” mindset that avoids the raw, trembling holiness of Scripture like the plague. Fear has been branded as sin, weakness, as toxic, even as anti-Christian. But biblically? Fear is the beginning of everything.