"The church doctrines of obedience to authority, repentance, fear of punishment, self-abnegation, acceptance of outer direction rather than inner assurance, elevation of faith over reason, and intolerance make institutionalized religion an ideal instrument of social constraint."

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Tolerance can be exercised only by those who have well-grounded convictions (although it will not always be exercised even by them). For such people tolerance is an act of self-abnegation; although they are convinced that those who differ from them must be wrong, they nevertheless will protect their rights.

— Erik von Kuehnelt-Leddihn