If you never change your mind, why have one?

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

On trade, our hypocrisy is at its most appalling. Trade reform isn't about charity, it's about justice, and this campaign, Trade Justice is an unstoppable idea.

Everyone has the right to doubt everything as often as he pleases and the duty to do it at least once. No way of looking at things is too sacred to be reconsidered. No way of doing things is beyond improvement.

Intelligence is something we are born with. Thinking is a skill that must be learned.

A myth is a fixed way of looking at the world which cannot be destroyed because, looked at through the myth, all evidence supports the myth.

Maybe the social value of truth is as a destination - so long as we do not assume we have arrived there.