The superstition of the Ego
"We are poisoned by the superstition of the ego. We cannot know what will be right or wrong in a selfless society, nor what we'll feel, nor in what manner. We must destroy the ego first. That is why the mind is so unreliable. We must not think. We must believe."

Part 2, Chapter 13, pg. 365, The Fountainhead — Ayn Rand