Carl Sagan — "The universe is not required to be in perfect harmony with human ambition."

"The cosmos is all that is or ever was or ever will be. Our feeblest contemplations of the Cosmos stir up a tingling sensation, a slight challenge for the nerves, a faint foreboding, as if we were appr…"

"The nuclear arms race is like two sworn enemies standing waist-deep in gasoline, one with three matches, the other with five."

"The universe is a machine for the making of gods."

"We make our world significant by the courage of our questions and the depth of our answers."

"It is sometimes said that science is the enemy of religion. This is a common misconception. Science and religion are not enemies; they are simply different ways of looking at the world."