Rene Descartes — "Cogito, ergo sum. (I think, therefore I am.)"
Cogito, ergo sum. (I think, therefore I am.)
Cogito, ergo sum. (I think, therefore I am.)
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"The custom of believing what others believe, and of doing what others do, is the most powerful obstacle to the discovery of truth."
"The senses alone are not sufficient to give us a clear and distinct knowledge of things."
"The light of natural reason is sufficient to distinguish the true from the false."
"The greatest good is to live with reason, and therefore, to live without passions."
"Our senses are not always to be trusted."
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