“The cosmos is within us. We are made of star-stuff. We are a way for the universe to know itself.”

“A celibate clergy is an especially good idea, because it tends to suppress any hereditary propensity toward fanaticism.”

“We are star stuff harvesting sunlight.”

“We make our purpose.”

“Look again at that dot. That's here. That's home. That's us. On it everyone you love, everyone you know, everyone you ever heard of, every human being who ever was, lived out their lives. The aggre...”

“If it can be destroyed by the truth, it deserves to be destroyed by the truth.”

“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...”

“When we love, we always strive to become better than we are. When we strive to become better than we are, everything around us becomes better too.”

“The world is indeed full of peril, and in it there are many dark places; but still there is much that is fair, and though in all lands love is now mingled with grief, it grows perhaps the greater.”

“This is where it all begins. Everything starts here, today.”