He who thinks himself wise, O heavens! is a great fool.
Qui se croit sage, ô ciel! est un grand fou.
Original text (French)
More quotes by Voltaire
There are truths which are not for all men, nor for all times.
Satire lies about literary men while they live and eulogy lies about them when they die.
We have never intended to enlighten shoemakers and servants—this is up to apostles.
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If the fool would persist in his folly he would become wise.
'The fool doth think he is wise, but the wise man knows himself to be a fool.'
Young men think old men are fools; but old men know young men are fools.
Attribution
Quote text and notes from Wikiquote: Voltaire (page history), available under CC BY-SA 4.0. Source quality and labels are our own summary of what Wikiquote records.