The left-handed are precious; they take places which are inconvenient for the rest.

I believe, sir, in all the progress. Air navigation is the result of the oceanic navigation: from water the human has to pass in the air. Everywhere where creation will be breathable to him, the human will penetrate into the creation. Our only limit is life.

Sorrow is a fruit. God does not make it grow on limbs too weak to bear it.

The ox suffers, the cart complains.

To rove about, musing, that is to say loitering, is, for a philosopher, a good way of spending time, especially in that kind of mock rurality, ugly but odd, and partaking of two natures, which surrounds certain large cities, particularly Paris.

Solitude either develops the mental power, or renders men dull and vicious.

It is not enough to be happy, one must be content.