Mathematics allows for no hypocrisy and no vagueness.

This is the curse of our age, even the strangest aberrations are no cure for boredom.

The Russians imitate French ways, but always at a distance of fifty years.

In love, unlike most other passions, the recollection of what you have had and lost is always better than what you can hope for in the future.

The more one pleases everybody, the less one pleases profoundly.