Curiosity is the driving force behind all great mathematical discoveries.

Discipline in capital spending separates the winners from the losers in this business.

In one of the stars I shall be living. In one of them I shall be laughing. And so it will be as if all the stars were laughing, when you look at the sky at night… You-only you-will have stars that can laugh…

The laws of physics as we know them may not be universal, but could vary from one universe to another in the multiverse.

The real challenge is to create something that has meaning beyond its function.