Suffering by nature or chance never seems so painful as suffering inflicted on us by the arbitrary will of another.

alent is like the marksman who hits a target which others cannot reach; genius is like the marksman who hits a target, as far as which others cannot even see.

Boredom is just the reverse side of fascination.

Men are the devils of the earth, and the animals are its tormented souls.

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

It is difficult to keep quiet if you have nothing to do

There is one respect in which beasts show real wisdom... their quiet, placid enjoyment of the present moment.