Nothing prevents happiness like the memory of happiness.
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.
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.
Through loyalty to the past, our mind refuses to realize that tomorrow's joy is possible only if today's makes way for it; that each wave owes the beauty of its line only to the withdrawal of the preceding one.