...Man lives by affirmation even more than he does by bread.

Nothing is really small; whoever is open to the deep penetration of nature knows this.

Let us study things that are no more. It is necessary to understand them, if only to avoid them.

He who opens a school door, closes a prison.

Pain is as diverse as man. One suffers as one can.

Success is a very hideous thing. Its false resemblance to merit deceives men.

...Human thought has no limit. At its risk and peril, it analyzes and dissects its own fascination. We could almost say that, by a sort of splendid reaction, it fascinates nature; the mysterious world surrounding us returns what it receives; it is likely that contemplators are contemplated.