We can most safely achieve truly universal tolerance when we respect that which is characteristic in the individual and in nations, clinging, though, to the conviction that the truly meritorious is unique by belonging to all of mankind.

Normally, the sciences distance themselves from life and the return to it via a detour.

Of the truly creative no one is ever master; it must be left to go its own way.

A man sees in the world what he carries in his heart.

It is better to do the smallest thing in the world than to hold half an hour to be too small a thing.

It seems to never occur to fools that merit and good fortune are closely united.

A mathematician is only perfect insofar as he is a perfect man, sensitive to the beauty of truth.