If there is anything in the world that can really be called a man's property, it is surely that which is the result of his mental activity.

I owe what is best in my own development to the impression made by Kant's works, the sacred writings of the Hindus, and Plato.

Empirical sciences prosecuted purely for their own sake, and without philosophic tendency are like a face without eyes.

We can come to look upon the deaths of our enemies with as much regret as we feel for those of our friends, namely, when we miss their existence as witnesses to our success.

Poverty and slavery are thus only two forms ofthe same thing, the essence of which is that a man's energies are expended for the most part not on his own behalf but on that of others.

We should be surprised that a matter that generally plays such an important part in the life of man has hitherto been almost entirely disregarded by philosophers, and lies before us as raw and untreated material.

Men are by nature merely indifferent to one another; but women are by nature enemies.