To be effective a doctrine must not be understood, but has to be believed in. We can be absolutely certain only about things we do not understand. A doctrine that is understood is shorn of its strength.

Eric Hoffer (1902–1983) American writer, philosopher, longshoreman

True Believer: Thoughts on the Nature of Mass Movements, Part 3, ch. 13, § 57 (3.13.57) (1951)
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