"The human race is a single, genetic family. When a child is born, it is born into the human race, not into some particular tribe or nation. The human race is one. And we are all brothers and sisters."

"The universe is a symphony of mathematical harmonies."

"Even if there is only one possible unified theory, it is just a set of rules and equations. What is it that breathes fire into the equations and makes a universe for them to describe?"

"We are very, very small, but we are also very, very smart."

"Wrong again, Albert."