"If we want to cultivate a true spirit of democracy we cannot afford to be intolerant. Intolerance betrays want of faith in one's cause."

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One cannot demand of a scholar that he show himself a scholar everywhere in society, but the whole tenor of his behavior must none the less betray the thinker, he must always be instructive, his way of judging a thing must even in the smallest matters be such that people can see what it will amount to when, quietly and self-collected, he puts this power to scholarly use.

— Georg C. Lichtenberg