“There are as many atoms in one molecule of DNA as there are stars in a typical galaxy.”

― Carl Sagan

"We on Earth have just awakened to the great oceans of space and time from which we have emerged."

“There are as many atoms in one molecule of DNA as there are stars in a typical galaxy.”

― Carl Sagan, Cosmos

"All civilizations become either spacefaring or extinct." -CS

“But nature is always more subtle, more intricate, more elegant than what we are able to imagine.”

“The universe seems neither benign nor hostile, merely indifferent.”

"The surface of the Earth is the shore of the cosmic ocean."

― Carl Sagan, Contact

"Human beings have a demonstrated talent for self-deception when their emotions are stirred."

― Carl Sagan, Cosmos

“Our species needs, and deserves, a citizenry with minds wide awake and a basic understanding of how the world works.”

"The sky calls to us, and if we do not destroy ourselves, we will, one day, venture to the stars."

"The sky calls to us."

“The universe is a pretty big place. If it's just us, seems like an awful waste of space.”

“But nature is always more subtle, more intricate, more elegant than what we are able to imagine.”

“You have to know the past to understand the present.”

“Observation: I can't see a thing. Conclusion: Dinosaurs.” ― Carl Sagan, Cosmos

“An organism at war with itself is doomed.”