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.

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)

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.

To know what people really think, pay regard to what they do, rather than what they say.

To know what people really think, pay regard to what they do, rather than what they say.

I am accustomed to sleep and in my dreams to imagine the same things that lunatics imagine when awake.

I am accustomed to sleep and in my dreams to imagine the same things that lunatics imagine when awake.