Most men are essentially dead by thirty.

A hero is a man who does what he can.

It is the artist's business to create sunshine when the sun fails.

Every race, every art has its hypocrisy. The world is fed with a little truth and many lies.

Each man must learn his own ideal and try to accomplish it: that is a surer way of progress than to take the ideas of another.

It is not peace that I seek, but life.

To a man whose mind is free there is something even more intolerable in the sufferings of animals than in the sufferings of man. For with the latter it is at least admitted that suffering is evil and that the man who causes it is a criminal. But thousands of animals are uselessly butchered every day without a shadow of remorse. If any man were to refer to it, he would be thought ridiculous. And that is the unpardonable crime.