“A thousand years ago, everybody knew the Earth was the center of the universe. Five hundred years ago, they knew the Earth was flat. Fifteen minutes ago, you knew we humans were alone on it. Imagine what you'll know tomorrow.”
“500 years ago Man "knew" the Earth was the center of the Universe. 500 years ago Man "knew" the Earth was flat. Imagine what you'll know tomorrow.”
“Sixty years ago I knew everything; now I know nothing; education is a progressive discovery of our own ignorance.”
“How many of you knew what the Thomas A Swift Electric Rifle was? An idea in the book years ago, and now who hasn't heard of a T.A.S.E.R.”
“...science is the kind of sacred cow which theology was five hundred years ago....”
“Two thousand years ago, five thousand, they didn't have a word for imagination, and faith was the best they could come up with for a pretty solemn bunch of followers.”