There is a fundamental difference between religion, which is based on authority, [and] science, which is based on observation and reason. Science will win because it works.

Issuing an insurance policy against abduction by aliens seems a pretty safe bet.

Over a very small number of rolls of the dice, the uncertainty principle is very important.

Many people do not like the idea that time has a beginning, probably because it smacks of divine intervention.

We explore because we are human and we want to know. I hope that Pluto will help us on that journey.

Doing a job RIGHT the first time gets the job done. Doing the job WRONG fourteen times gives you job security.

If I have questions about the universe on my mind when I go to bed, I can't turn off. I dream equations all night.