My thinking was taught to tribes in South Africa like the Zulus and Xhosas. At the time there were about 210 fights breaking out among them every month, but after they listened to my lessons, this fell to just four.

Most people...are put off science because maths is the gateway and they can't handle it. What we should be teaching is operational maths because, in general, the maths we need to carry out science is pretty straightforward.

We need both information and thinking. Information is no substitute for thinking and thinking is no substitute for information.

Our existing thinking habits are excellent, just as the rear wheels of a motor car are excellent, but not enough.

A discussion should be a genuine attempt to explore a subject rather than a battle between competing egos.

It's not enough to rage against the lie.. you've got to replace it with the truth.

Asking a question is the simplest way of focusing thinking...asking the right question may be the most important part of thinking.