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.

Thousands of animals (now billions) are butchered every day without a shadow of remorse. It cries vengeance upon all the human race.

Let us return to our eagle's nest in the Himalayas. It is waiting for us, for it is ours, eaglets of Europe, we need not renounce any part of our real nature...whence we formerly took our flight.

There is only one heroism in the world: to see the world as it is, and to love it.

Skepticism, riddling the faith of yesterday, prepared the way for the faith of tomorrow.

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.

You are a vain fellow. You want to be a hero. That is why you do such silly things. A hero!... I don't quite know what that is: but, you see, I imagine that a hero is a man who does what he can. The others do not do it.