Mathematics is not a deductive science - that’s a cliché. When you try to prove a theorem, you don’t just list the hypotheses, and then start to reason. What you do is trial and error, experimentation, guesswork.

Every living creature on this planet dies alone.

It’s not what you look at that matters, it’s what you see.

Le mal se fait sans effort, naturellement, par fatalité; le bien est toujours le produit d’un art.

An integral part of any relationship is knowing that you could be killed in your sleep at any time.