"Mathematics is the language in which God has written the universe."

"The universe is a big place, and we are a small part of it. But we are an important part of it."

"Slapstick is always funny. Oh yeah? How about now?"

"There are no black holes in the sense of a region of spacetime from which nothing can escape. Instead, there are apparent horizons which persist for a time and then vanish."

"The world is a very dangerous place, not because of those who do evil, but because of those who look on and do nothing."