“Every one of us is, in the cosmic perspective, precious. If a human disagrees with you, let him live. In a hundred billion galaxies, you will not find another.”

“The Cosmos is all that is or was or ever will be. Our feeblest contemplations of the Cosmos stir us -- there is a tingling in the spine, a catch in the voice, a faint sensation, as if a distant mem...”

“The beauty of a living thing is not the atoms that go into it, but the way those atoms are put together.”

“The fossil record implies trial and error, the inability to anticipate the future, features inconsistent with a Great Designer (though not a Designer of a more remote and indirect temperament.)”

“It is said that men may not be the dreams of the god, but rather that the gods are the dreams of men.”

“Books permit us to voyage through time, to tap the wisdom of our ancestors. The library connects us with the insight and knowledge, painfully extracted from Nature, of the greatest minds that ever ...”

“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...”

“A voice said: One. One. One, two. One, two. Then the footsteps went back into the distance. After a while, another voice said: One, two, three, four- And the universe came into being. It was wrong ...”

“Death was an inverse Big Bang; an impossible magic trick where everything had become nothing in the very same instant, where one state had been replaced so completely by another that no evidence of...”

“If the fate of the universe was decided in a single moment at the instant of the Big Bang , that was the most creative moment of all.”

“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.”