“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.”

“What baseball managers did do, on occasion, beginning in the early 1980s, was hire some guy who knew how to switch on the computer. But they did this less with honest curiosity than in the spirit o...”

“I've poured my heart out on this page. Now burn it and destroy the evidence that anyone ever cared this much for you.”

“I couldn't care less about evidence and proof and assurances. I just want God. I want God inside me. I want God to play in my bloodstream the way sunlight amuses itself on water.”

“I do not know what I may appear to the world, but to myself I seem to have been only like a boy playing on the sea-shore, and diverting myself in now and then finding a smoother pebble or a prettie...”

“To know the history of science is to recognize the mortality of any claim to universal truth. ”

“The scientist only imposes two things, namely truth and sincerity, imposes them upon himself and upon other scientists.”