There is no arena in which vanity displays itself under such a variety of forms as in conversation.

All man's troubles come from not knowing how to sit still in one room.

We must keep our thought secret, and judge everything by it, while talking like the people.

Human beings must be known to be loved; but Divine beings must be loved to be known.

Any unity which doesn't have its origin in the multitudes is tyranny.

Il n'est pas certain que tout soit incertain. (Translation: It is not certain that everything is uncertain.)

We sail within a vast sphere, ever drifting in uncertainty, driven from end to end.