"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 human race is a single genetic stock, and we are all brothers and sisters. It's time that we started to act like it."

"We are all stardust, and we are all connected to the universe."

"Because there is a law such as gravity, the universe can and will create itself from nothing. Spontaneous creation is the reason there is something rather than nothing, why the universe exists, why we…"

"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…"