If I had to choose a superhero to be, I would pick Superman. He's everything that I'm not.

If the rate of expansion one second after the Big Bang had been smaller by even one part in a hundred thousand million million, it would have recollapsed before it reached its present size. On the other hand, if it had been greater by a part in a million, the universe would have expanded too rapidly for stars and planets to form.

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

Stephen Hawking Quotes