When you're on book tours, you definitely need chocolate. At all times.
You propound a complicated arithmetical problem: say cubing a number containing four digits. Give me a slate and half an hour's time, and I can produce a wrong answer.
Beware of false knowledge; it is more dangerous than ignorance.
Life isn't about finding yourself. Life is about creating yourself.
Both optimists and pessimists contribute to society. The optimist invents the aeroplane, the pessimist the parachute.
It is not that I am so clever; it is that everyone else is so stupid.
No diet will remove all the fat from your body because the brain is entirely fat. Without a brain, you might look good, but all you could do is run for public office.
Children always turn towards the light. Oh that grown-up people in this world became like little children!
You feel quite strangely secure [doing any kind of series]. It's the opposite of how you're supposed to feel doing a movie.
Saint: A dead sinner revised and edited.
Without patience, you will never conquer endurance.