The more humanity owes the poor man, the more society denies him.

Cities are the sinks of the human race.

When I go out into the countryside and see the sun and the green and everything flowering, I say to myself "Yes indeed, all that belongs to me!"

The happiest is he who suffers the least pain; the most miserable, he who enjoys the least pleasure.

The severity of penalties is only a vain resource, invented by little minds in order to substitute terror for that respect which they have no means of obtaining.

The universe was born restless and has never since been still.

If it is reason that forms man then it is the emotions that guide her.