Our true passions are selfish.

Chélan had acted as imprudently for Julien as he had for himself. He had given him the habit of reasoning correctly, and of not being put off by empty words, but he had neglected to tell him that this habit was a crime in the person of no importance, since every piece of logical reasoning is offensive.

I think no woman I have had ever gave me so sweet a moment, or at so light a price, as the moment I owe to a newly heard musical phrase.

Mathematics allows for no hypocrisy and no vagueness.

The pleasures and the cares of the luckiest ambition, even of limitless power, are nothing next to the intimate happiness that tenderness and love give. I am man before being a prince, and when I have the good fortune to be in love, my mistress addresses a man and not a prince.

The first virtue of a young man today - that is, for the next fifty years perhaps, as long as we live in fear, and religion has regained its powers - is to be incapable of enthusiasm and not to have much in the way of brains.

A good book is an event in my life.