In the end we retain from our studies only that which we practically apply.

What chance gathers, she easily scatters. A great person attracts great people and knows how to hold them together.

There are men who never err, because they never propose anything rational.

I have heard myself accused of being an opponent, an enemy of mathematics, which no one can value more highly than I, for it accomplishes the very thing whose achievement has been denied me.

Someone criticized an elderly man for wooing young women. He replied that that was the only way to rejuvenation, which was, afterall, everybody's wish.

Clever people are always the best conversations lexicon.

A creation of importance can only be produced when its author isolates himself, it is a child of solitude.