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

"I don't want to believe. I want to know."

"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…"

"It is an astonishing thing to be alive in the universe, and we should celebrate it every day."

"The total number of stars in the Universe is larger than all the grains of sand on all the beaches of the planet Earth."