There is no example of someone reading their scripture and saying, 'I have a prediction about the world that no one knows yet, because this gave me insight. Let's go test that prediction,' and have the prediction be correct.

There is always a place I can take someone's curiosity and land where they end up enlightened when we're done. That's my challenge as an educator. No one is dumb who is curious. The people who don't ask questions remain clueless throughout their lives.

In all civilizations we've studied, all cultures that we know of across the Earth and across time have invested some kind of attempt to understanding where where, where they come from, and where they are going.

Let's say intelligence is your ability to compose poetry, symphonies, do art, math and science. Chimps can't do any of that, yet we share 99 percent DNA. Everything that we are, that distinguishes us from chimps, emerges from that one-percent difference.

Over the centuries, monumental upheavals in science have emerged time and again from following the leads set out by mathematics.

I came to America to teach my method - not to enter a research experiment.

I have come to understand that my hatred of the gym was based on fear and prejudice, a tribal resistance to science, to improvement. But to ignore my aging physicality and not try and become the strongest and fittest I can be is curmudgeonly at best and wilfully ignorant at worst.

In science, as in art, and, as I believe, in every other sphere of human activity, there may be wisdom in a multitude of counsellors, but it is only in one or two of them.