“If you wish to make an apple pie from scratch, you must first invent the universe.”

— Carl Sagan, Cosmos, 1980, p. 218

About Carl Sagan

1934 – 1996

American astronomer and science communicator, author and presenter of "Cosmos".

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

“Books are key to understanding the world and participating in a democratic society.”

“Imagination will often carry us to worlds that never were. But without it we go nowhere.”

“We are such stuff as dreams are made on; and our little life is rounded with a sleep.”

“You can't depend on your eyes when your imagination is out of focus.”

“Myths are made for the imagination to breathe life into them.”

“Public Disputes warm the Imagination, whet the Industry, and strengthen the natural Abilities.”

“Where we find a difficulty we may always expect that a discovery awaits us. Where there is cover we hope for game.”

“For me, reason is the natural organ of truth; but imagination is the organ of meaning.”