"Memory is a strange thing, it doesn't work like I thought it did. We are so used to thinking of it as a camera or a tape recorder, but it's not like that at all. It's more like a painter, who adds and subtracts elements according to his own rules."

The great powers are always searching for opportunities to gain power at the expense of their rivals, and they will use force if they believe it will bring them strategic advantage.

The challenge of our time is to build an economy that works for everyone, not just the privileged few.

That's because most jokes are lies, and you're single - minded in your pursuit of the truth.