All men profess honesty as long as they can. To believe all men honest would be folly. To believe none so is something worse.
John Quincy Adams (1767-1848) US President (1825-29)
Letter to William Eustis (22 Jun 1809)
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blind faith
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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
The True Believer, ch. 57 (1951)
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