Plunge boldly into the thick of life, and seize it where you will, it is always interesting.

I have so much in me, and the feeling for her absorbs it all; I have so much, and without her it all comes to nothing.

It would not be worth your while to reach the age of seventy if all the wisdom of the world were to be foolishness before God.

The safest thing is always to try to convert everything that is in us and around us into action; let the others talk and argue about it as they please.

Reason can never be popular. Passions and feelings may become popular, but reason will always remain the sole property of a few eminent individuals.

The history of knowledge is a great fugue in which the voices of the nations one after the other emerge.

Everything is hard before it is easy.