Rene Descartes — "To be possessed of a vigorous mind is not enough; the prime requisite is rightly…"
To be possessed of a vigorous mind is not enough; the prime requisite is rightly to apply it.
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More from Rene Descartes
"I desire to live, and to continue the studies I have begun, but I have not found anyone who could tell me where to go."
"I have never made any discoveries that were not based on the certainty of mathematics."
"The perception of the understanding is sometimes obscure and confused, while that of the will is always clear and distinct."
"The long chains of simple and easy reasonings by means of which geometers are accustomed to reach the conclusions of their most difficult demonstrations, had led me to imagine that all things, the kno…"
"Common sense is the most widely shared commodity in the world, for every man is convinced that he is well supplied with it."