"The universe is a symphony, and we are the audience."

"For me, I am a cosmic optimist. I always think that we will find solutions to our problems."

"The universe is a magnificent place, and it's all ours to discover."

"I don't have a problem with people believing in God. I have a problem with people who think they know what God wants."

"We are stardust. We are golden. We are billion-year-old carbon. And we've got to get ourselves back to the garden."