'If I wanted to, I could hire 10,000 people to do nothing but paint my picture every day for the rest of my life. And the gross national product would go up.'

'You only find out who is swimming naked when the tide goes out.'

'[Gold] gets dug out of the ground in Africa, or someplace. Then we melt it down, dig another hole, bury it again and pay people to stand around guarding it. I…

'If you're in the luckiest 1 per cent of humanity, you owe it to the rest of humanity to think about the other 99 per cent.'