1,131 Quotes by Carl Sagan

Observation: I can’t see a thing. Conclusion: Dinosaurs.

Think of the rivers of blood spilled by all those generals and emperors so that, in glory and triumph, they could become the momentary masters of a fraction of a dot.

Science is more than a body of knowledge. It’s a way of thinking: a way of skeptically interrogating the universe.

Time spent with children is time well spent. Their little minds are not constrained by ‘reality’ or focused upon goals. Anything and everything is possible. Imagination will often carry us to worlds that never were. But without it we go nowhere.

I also wish that the Pledge of Allegiance were directed at the Constitution and the Bill of Rights, as it is when the President takes his oath of office, rather than to the flag and the nation.

Modern Darwinism makes it abundantly clear that many less ruthless traits, some not always admired by robber barons and Fuhrers – altruism, general intelligence, compassion – may be the key to survival.

The way to find out about our place in the universe is by examining the universe and by examining ourselves – without preconceptions, with as unbiased a mind as we can muster.

Na Arean sat alone in space as a cloud that floats in nothingness. He slept not, for there was no sleep; he hungered not, for as yet there was no hunger. So he remained for a great while, until a thought came to his mind. He said to himself, “I will make a thing.

Whatever the reason you’re on Mars, I’m glad you’re there, and I wish I was with you.