Earth Quote by Immanuel Kant

When we get there, if we don't find any life on Mars, from that point on there will be life on Mars because we'll…

— Buzz Aldrin

If Mars formed life, then life on Earth could have been seeded by life on Mars, making every life form on Earth descended from…

— Neil deGrasse Tyson

Once we get beyond Mars, which formed from the same stuff as Earth, the likelihood that life is similar to what we find on…

— John M. Grunsfeld

Of course, it's a dream to go to Mars. I want to find out whether there was life there or not. And if there…

— Valentina Tereshkova

Are there Martians out there? I haven't got a clue. Is there life out there? I have no idea.

— Gordon Strachan

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

— Carl Sagan

Now we notice that Mars doesn't have any atmosphere either and won't support life. In spite of the fact that it turns green and…

— L. Ron Hubbard

I think it's inevitable that there will be Earthlings establishing a presence on Mars. And I would say that it would certainly take place…

— Buzz Aldrin

Will we have a colony on Mars? I think so.

— Julie Payette

“There are so many examples of human misuse of the Earth that even phrasing this question chills me. If there is life on Mars,…

— Carl Sagan

Before we go there and set up greenhouses, dance clubs, and falafel stands, let's make sure that, in some subtle form that could be…

— David Grinspoon

The thing that sets Mars apart is that it is the one planet that is enough like Earth that you can imagine life possibly…

— Anonymous