"The universe is not just out there. It's in here."

"We are part of this universe; we are in this universe, but perhaps more important than both of those facts is that the universe is in us."

"If you want to make an apple pie from scratch, you must first invent the universe."

"I would be a lot more comfortable if I could be assured that the people who say 'I'm a Christian' actually lived by the tenets of Christianity."

"I often think about how small we are in the grand scheme of things, and it makes me feel both humbled and empowered."