Carl Sagan Mars Quotations

In our time, we have sifted the sands of Mars, we have established a presence there, we have fulfilled a century of dreams!

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

If there is life, then I believe we should do nothing to disturb that life. Mars then, belongs to the Martians, even if they are microbes.

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?