The whiter my hair becomes, the more ready people are to believe what I say.

To avoid the various foolish opinions to which mankind are prone, no superhuman genius is required. A few simple rules will keep you, not from all error, but from silly error.

An individual human existence should be like a river

Americans and Englishmen, when they become acquainted with the Balkans, feel an astonished contempt when they study the mutual enmities of Bulgarians and Serbs, of Hungarians and Rumanians. It is evident to them that these enmities are absurd and that the belief of each little nation in its own superiority has no objective basis. But most of them are quite unable to see that the national pride of a Great Power is essentially as unjustifiable as that of a little Balkan country.

It is not by delusion, however exalted, that mankind can prosper, but only by unswerving courage in the pursuit of truth.

Beggars do not envy millionaires, though of course they will envy other beggars who are more successful.

I can only say that, while my own opinions as to ethics do not satisfy me, other people's satisfy me still less.