Work gives you meaning and purpose and life is empty without it.

I'm not afraid of death, but I'm in no hurry to die. I have so much I want to do first.

In Britain, like most of the developed world, stem-cell research is regarded as a great opportunity. America will be left behind if it doesn't change policy.

Just like a computer, we must remember things in the order in which entropy increases. This makes the second law of thermodynamics almost trivial. Disorder increases with time because we measure time in the direction in which disorder increases. You can't have a safer bet than that!

Nothing is fool-proof to a sufficiently talented fool.

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.

One should love animals. They are so tasty.