For the future, I shall rely only upon those elements of my character which I have tested. Who would ever have said that I should find pleasure in shedding tears? That I should love the man who proves to me that I am nothing more than a fool?

Power, after love, is the first source of happiness.

I love her beauty, but I fear her mind.

When you want to court a woman, court her sister first

Mathematics allows for no hypocrisy and no vagueness.

I see but one rule: to be clear. If I am not clear, all my world crumbles to nothing.

Beauty is nothing but a promise of happiness.