There Is Nothing Bigger Or Older Than

Gravity Is So Strong That Space Is Bent Round Onto Itself, Making It Rather Like The Surface Of The Earth. If One Keeps Traveling In A Certain Direction On The Surface Of The Earth, One Never Comes Up Against An Impassable Barrier Or Falls Over The Edge, But Eventually Comes Back To Where One Started.

If The Total Energy Of The Universe Must Always Remain Zero, And It Costs Energy To Create A Body, How Can A Whole Universe Be Created From Nothing?

One Could Imagine Such Technology Outsmarting Financial Markets, Out-inventing Human Researchers, Out-manipulating Human Leaders, And Developing Weapons We Cannot Even Understand.

The Human Failing I Would Most Like To Correct Is Aggression. It May Have Had Survival Advantage In Caveman Days, To Get More Food, Territory Or A Partner With Whom To Reproduce, But Now It Threatens To Destroy Us All.

There Are Plenty Of Dead Scientists I Admire, But I Can't Think Of Any Living Ones. This Is Probably Because It Is Only In Retrospect That One Can See Who Made The Important Contributions.