Good angels are fallible ... they sin every day and fall from Heaven like flies.
One thing above all gives charm to men's thoughts, and this is unrest. A mind that is not uneasy irritates and bores me.
You learn to speak by speaking, to study by studying, to run by running, to work by working; in just the same way, you learn to love by loving.
You think you are dying for your country; you die for the industrialists.
The wonder is, not that the field of stars is so vast, but that man has measured it.
Irony is the gaiety of reflection and the joy of wisdom.