Woe to him who would ascribe something like reason to Chance, and make a religion of surrendering to it.

How can you come to know yourself? Never by thinking, always by doing. Try to do your duty, and you'll know right away what you amount to.

How circumscribed is woman's destiny!

Assuredly there is no more lovely worship of God than that for which no image is required, but which springs up in our breast spontaneously when nature speaks to the soul, and the soul speaks to nature face to face.

The history of a man is in his character.

What is fruitful alone is true.

Experiments are mediators between nature and idea.