Growing nations should remember that, in nature, no tree, though placed in the best conditions of light, soil, and plot, can continue to grow and spread indefinitely.

I thought it necessary to study history, even to study it deeply, in order to obtain a clear meaning of our immediate time.

to live means to lack something at every moment

What is simple is wrong, and what is complicated cannot be understood.

A real writer can be recognized by the fact he doesn't find words. Therefore he must search for them and while doing that, he finds better ones.

A man is infinitely more complicated than his thoughts.

The universe is built on a plan the profound symmetry of which is somehow present in the inner structure of our intellect.