"When I gave a lecture in Japan, I was asked not to mention the possible re-collapse of the universe, because it might affect the stock market. However, I can reassure anyone who is nervous about their…"

"The universe is a beautiful and complex place, and we are lucky to be a part of it."

"However difficult life may seem, there is always something you can do and succeed at. It matters that you don't just give up."

"The only advantage of my disability is that I do not get put on a lot of boring committees."

"People who boast about their IQ are losers."