Humor is probably the most significant characteristics of the human mind. Far more significant than reason. In fact, reason is actually a very cheap commodity.

Studies have shown that 90% of error in thinking is due to error in perception. If you can change your perception, you can change your emotion and this can lead to new ideas.

I think school is a place where thinking should be taught.

Do we have the will to make poverty history?

This is not about charity, it's about justice... The war against terror is bound up in the war against poverty - I didn't say that, Colin Powell said that . . . In these disturbing and distressing times, surely it's cheaper, and smarter, to make friends out of potential enemies than it is to defend yourself against them..Justice is the surest way to get peace.

Complexity means distracted effort. Simplicity means focused effort.

Argument is meant to reveal the truth, not to create it.