"I have noticed that even people who claim that everything is predetermined and that we can do nothing to change it, look before they cross the road."

"I believe that the human race has a great future ahead of it, if we can avoid destroying ourselves."

"The universe is not only stranger than we imagine, it is stranger than we can imagine."

"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…"

"The universe is a beautiful and dangerous place, and I'm glad to be a part of it."