More from Rene Descartes

  1. De omnibus dubitandum
  2. Perfect numbers like perfect men are very rare.
  3. It is only prudent never to place complete confidence in that by which we have even once been deceived.
  4. The long concatenations of simple and easy reasoning which geometricians use in achieving their most difficult demonstrations gave me occas…
  5. It is easy to hate and it is difficult to love. This is how the whole scheme of things works. All good things are difficult to achieve; and…
  6. The reading of all good books is indeed like a conversation with the noblest men of past centuries who were the authors of them, nay a care…
  7. In order to improve the mind, we ought less learn than to contemplate.
  8. The two operations of our understanding, intuition and deduction, on which alone we have said we must rely in the acquisition of knowledge.

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