If at first you don't succeed, try management.

Disability can be no handicap.

Women. They are a complete mystery.

I think computer viruses should count as life ... I think it says something about human nature that the only form of life we have created so far is purely destructive. We've created life in our own image.

Speech has allowed the communication of ideas, enabling human beings to work together to build the impossible. Mankind's greatest achievements have come about by talking, and its greatest failures by not talking. It doesn't have to be like this. Our greatest hopes could become reality in the future. With the technology at our disposal, the possibilities are unbounded. All we need to do is make sure we keep talking.

The progress of the human race in understanding the universe has established a small corner of order in an increasingly disordered universe.

Love the neighbor. But don't get caught.