Rene Descartes

Each problem that I solved became a rule, which served afterwards to solve other problems.

Each problem that I solved became a rule, which served afterwards to solve other problems.

I hope that posterity will judge me kindly, not only as to the things which I have explained, but also read more

I hope that posterity will judge me kindly, not only as to the things which I have explained, but also to those which I have intentionally omitted so as to leave to others the pleasure of discovery.

Dubito ergo cogito; cogito ergo sum.(I doubt, therefore I think; I think therefore I am)

Dubito ergo cogito; cogito ergo sum.(I doubt, therefore I think; I think therefore I am)

Illusory joy is often worth more than genuine sorrow.

Illusory joy is often worth more than genuine sorrow.

The greatest minds are capable of the greatest vices as well as of the greatest virtues.

The greatest minds are capable of the greatest vices as well as of the greatest virtues.