Carl Sagan

The price we pay for anticipation of the future is anxiety about it.

Carl Sagan

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

Carl Sagan

The visions we offer our children shape the future.

Carl Sagan

To read is to voyage through time.

Carl Sagan

Writing is perhaps the greatest of human inventions.

Carl Sagan

A blade of grass is a commonplace on Earth; it would be a miracle on Mars. Our descendants on Mars will know the value of a patch of green. And if a blade of grass is priceless, what is the value of a human being?

Carl Sagan

A celibate clergy is an especially good idea, because it tends to suppress any hereditary propensity toward fanaticism.

Carl Sagan

A galaxy is composed of gas and dust and stars – billions upon billions of stars. Every star may be a sun to someone.

Carl Sagan

A general problem with much of Western theology in my view is that the god portrayed is too small. It is a god of a tiny world and not a god of a galaxy much less of a universe.

Carl Sagan

A millennium before Europeans were willing to divest themselves of the Biblical idea that the world was a few thousand years old, the Mayans were thinking of millions and the Hindus billions.

Carl Sagan