There is nothing bigger or older than the universe.

The doctor who diagnosed me with ALS, or motor neuron disease, told me that it would kill me in two or three years.

Science is beautiful when it makes simple explanations of phenomena or connections between different observations.

The wise never marry, and when they marry they become otherwise.

I am discounting the reports of UFOs. Why would they appear only to cranks and weirdos?

Some people would claim that things like love, joy and beauty belong to a different category from science and can't be described in scientific terms, but I think they can now be explained by the theory of evolution.

It is said that there's no such thing as a free lunch. But the universe is the ultimate free lunch.