I am just a child who has never grown up. I still keep asking these 'how' and 'why' questions. Occasionally, I find an answer.

It is a waste of time to be angry about my disability. One has to get on with life and I haven't done badly. People won't have time for you if you are always angry or complaining.

I'm here to chew gum and kick some ass, and I'm all out of gum.

We don't let animals suffer, so why humans?

Science is not only a disciple of reason but, also, one of romance and passion.

People won't have time for you if you are always angry or complaining.

For years, my early work with Roger Penrose seemed to be a disaster for science. It showed that the universe must have begun with a singularity, if Einstein's general theory of relativity is correct. That appeared to indicate that science could not predict how the universe would begin.