“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 symbolism seemed so apt. The same technology that can propel apocalyptic weapons from continent to continent would enable the first human voyage to another planet. It was a choice of fitting my...”

“Their violence (the jungle wars of the '70s), and all violence for that matter, reflects the neutral exploration of sensation that is taking place, within sex as elsewhere and the sense that the pe...”

“Exploration of her body will open the doors to pleasuring her in ways she has yet to experience.”

“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.”