Let us enjoy the fugitive hour. Man has no harbor, time has no shore; it rushes on, and carries us with it.

Sometimes, only one person is missing, and the whole world seems depopulated.

If greatness of purpose, smallness of means, and astonishing results are the three criteria of a human genius, who could dare compare any great man in history with Muhammad?

Radicalism is but the desperation of logic.

It is admirable to die the victim of one's faith; it is sad to die the dupe of one's ambition.

Man is born barbarous--he is ransomed from the condition of beasts only by being cultivated.

There is no man more complete than the one who travelled a lot, who changed the shape of his thoughts and his life twenty times.