Whoever reaches his ideal transcends it eo ipso.

if we possess a why of life we can put up with almost any how.

Wisdom sets bounds even to knowledge.

When a man has just been greatly honored and has eaten a little he is the most generous.

I love him who liveth in order to know, and seeketh to know in order that the Superman may hereafter live. Thus seeketh he his own down-going.

We seldom break our leg so long as life continues a toilsome upward climb. The danger comes when we begin to take things easily and choose the convenient paths.

Mathematics is merely the means to a general and ultimate knowledge of man.