One could imagine such technology outsmarting financial markets, out-inventing human researchers, out-manipulating human leaders, and developing weapons we cannot even understand.

I have so much that I want to do. I hate wasting time.

In his eyes shone the reflection of the most beautiful planet in the Universe---a planet that is not too hot and not too cold; that has liquid water on the surface and where the gravity is just right for human beings and the atmosphere is perfect for them to breathe; where there are mountains and deserts and oceans and islands and forests and trees and birds and plants and animals and insects and people---lots and lots of people. Where there is life. Some of it, possibly, intelligent.

Nothing is fool-proof to a sufficiently talented fool.

The idea of 10 dimensions might sound exciting, but they would cause real problems if you forget where you parked your car.

It is all right to make mistakes; nothing is perfect because with perfection, we would not exist.

A lot of prizes have been awarded for showing the universe is not as simple as we might have thought.