Conservation of energy. Never stand up when you can sit down, and never sit down when you can lie down.

I was very fond of Princess Diana. She used to have me over to lunch to ask my advice. I'd give her good advice, and she'd say: 'I entirely agree. Paul, you're so right.' Then she'd go and do the opposite.

If we want foxes, to observe and delight in, we must have hunting.

The most intimidating world leader was Lyndon Johnson, who became U.S. President when John Kennedy was assassinated. He exulted in this power and liked to inspire fear.

In the past, the U.S. has shown its capacity to reinvent its gifts for leadership. During the 1970s, in the aftermath of the Nixon abdication and the Ford and Carter presidencies, the whole nation peered into the abyss, was horrified by what it saw and elected Ronald Reagan as president, which began a national resurgence.

Global warming, like Marxism, is a political theory of actions, demanding compliance with its rules.

The most evil person I ever met was a toss-up between Pablo Picasso and the publisher-crook Robert Maxwell.