"I have spent my life traveling across the universe, inside my mind."

"The human race is a single genetic stock, and we are all brothers and sisters. It's time that we started to act like it."

"We are all visitors to this planet. We are here for a short time, and we must make the most of it."

"The universe is full of wonders, and we are lucky to be a part of it."

"I'm a physicist, and I believe in science. I don't believe in miracles."