Our greatest danger is not from invasion by foreign armies. Our dangers are that we may commit suicide from within by complaisance with evil. Or by public tolerance of scandalous behavior. Or by cynical acceptance of dishonor. These evils have defeated nations many times in human history.

Herbert Hoover (1874–1964) American engineer, bureaucrat, US President (1929–33)

Speech (1951-08-30), “Concerning Honor in Public Life,” Iowa Centennial Celebration, Des Moines, Iowa (radio broadcast)
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