Solitude, isolation, are painful things and beyond human endurance.
We may brave human laws, but we cannot resist natural ones.
The sea is everything. It covers seven tenths of the terrestrial globe. Its breath is pure and healthy. It is an immense desert, where man is never lonely, for he feels life stirring on all sides.
Be it understood you are never rich when you get no advantage from it.
Trains, like time and tide, stop for no one.
While there is life, there is hope.
If there were no thunder, men would have little fear of lightning.
Before all masters, necessity is the one most listened to, and who teaches the best.
I looked on, I thought, I reflected, I admired, in a state of stupefaction not altogether unmingled with fear!
We are of opinion that instead of letting books grow moldy behind an iron grating, far from the vulgar gaze, it is better to let them wear out by being read.
Science, my lad, is made up of mistakes, but they are mistakes which it is useful to make, because they lead little by little to the truth.
Anything one man can imagine, other men can make real.