I owe much to my friends; but, all things considered, it strikes me that I owe even more to my enemies. The real person springs life under a sting even better than under a caress.
In hell there is no other punishment than to begin over and over again the tasks left unfinished in your lifetime.
The sole art that suits me is that which, rising from unrest, tends toward serenity.
Nothing prevents happiness like the memory of happiness.
What would there be in a story of happiness? Only what prepares it, only what destroys it can be told.
No theory is good unless it permits, not rest, but the greatest work. No theory is good except on condition that one use it to go on beyond.