The origins of disputes between philosophers is, that one class of them have undertaken to raise man by displaying his greatness, and the other to debase him by showing his miseries.

If a man is not made for God, why is he happy only in God?

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

Do they think that they have given us great pleasure by telling us that they hold our soul to be no more than wind or smoke, and saying it moreover in tones of pride and satisfaction? Is this then something to be said gaily? Is it not on the contrary something to be said sadly, as being the saddest thing in the world?

All I know is that I must soon die, but what I know least is this very death which I cannot escape.

By space the universe encompasses and swallows me up like an atom; by thought I comprehend the world.

When one does not love too much, one does not love enough.