René Descartes Quotes
Most popular René Descartes Quotes

I think; therefore I am — Cogito, ergo sum

It is not enough to have a good mind; the main thing is to use it well.
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In order to improve the mind, we ought less to learn than to contemplate.
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A state is better governed which has but few laws, and those laws strictly observed.

The greatest minds are capable of the greatest vices as well as of the greatest virtues.
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Each problem that I solved became a rule which served afterwards to solve other problems.
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The reading of good books is like conversation with the finest souls of the past centuries.
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There is nothing so strange and so unbelievable that it has not been said by one philosopher or another.
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The ability to deceive seems to indicate cleverness, but the desire and will to deceive indicate weakness.
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To read good books is like holding a conversation with the most eminent minds of past centuries and, moreover, a studied conversation in which these authors reveal to us only the best of their thoughts.

It is well to know something of the manners of various peoples, in order more sanely to judge our own, and that we do not think that everything against our modes is ridiculous, and against reason, as those who have seen nothing are accustomed to think.