Quotes by : René Descartes

Some years ago I was struck by the large number of falsehoods that I had accepted as true in my childhood,....

although we very clearly see the sun, we ought not therefore to determine that it is only of the size....

To live without philosophizing is in truth the same as keeping the eyes closed without attempting to....

I suppose therefore that all things I see are illusions; I believe that nothing has ever existed of everything....

Thus the perception of the infinite is somehow prior in me to the perception of the finite, that is,....

And, in fine, of false sciences I thought I knew the worth sufficiently to escape being deceived by the....

It is not enough to have a good mind. The main thing is to use it well.

Let whoever can do so deceive me, he will never bring it about that I am nothing, so long as I continue....

But in my opinion, all things in nature occur mathematically.

With me, everything turns into mathematics.