“The problem, often not discovered until late in life, is that when you look for things in life like love, meaning, motivation, it implies they are sitting behind a tree or under a rock. The most su...”

“We are all connected; To each other, biologically. To the earth, chemically. To the rest of the universe atomically.”

“The knowledge that the atoms that comprise life on earth - the atoms that make up the human body, are traceable to the crucibles that cooked light elements into heavy elements in their core under e...”

“I fear living a life where I could have accomplished something and didn't. That's what I fear. I don't fear death.”

“For me, I am driven by two main philosophies: know more today about the world than I knew yesterday and lessen the suffering of others. You'd be surprised how far that gets you.”

“I know that the molecules in my body are traceable to phenomena in the cosmos. That makes me want to grab people on the street and say: Have you HEARD THIS?”

“The discovery of a new dish does more for the happiness of the human race than the discovery of a star.”

“We have yet to encounter an observable astronomical phenomenon that require a supernatural element to be added to a model in order to describe the even...Observations in cosmology look just as they...”

“Every atom in your body came from a star that exploded. And, the atoms in your left hand probably came from a different star than your right hand. It really is the most poetic thing I know about ph...”

“Just because your electronics are better than ours, you aren't necessarily superior in any way. Look, imagine that you humans are a man in LA with a brand-new Trujillo and we are a nuhp in New York...”

“Thank you, NASA, for keeping watch and realizing that our universe will never be anything but light-years new. I want to understand that, and I am so comforted by the fact that I can't. It only pro...”

“Konstantin Tsiolkovsky in Russia, Hermann Olberth in Germany, and Robert Goddard in the United States all came up with an eerily similar concept for using liquid fuel to power rockets for human spa...”