Cosmology Quote by Arthur C. Clarke

Sometimes I think we're alone. Sometimes I think we're not. In either case, the thought is staggering.

— R. Buckminster Fuller

Human beings have long wondered whether they are alone in the universe.

— Alan Stern

You're the answer to are we alone in the universe?

— Jonathan Kent

I believe that we're not alone. How can we be alone in an infinite universe? I'm using the word 'alien' with a little trepidation…

— Rose Leslie

Two possibilities exist... Either we are alone in this universe, or we are not. Both are equally terryfying

— Live_Skate_Smoke

"Are we alone in the universe?" This is a question which goes back to the dawn of history, but for most of human history…

— Paul Davies

It's impossible that we're alone in the universe. Every time we think we're more special than others, we're proven wrong.

— Nathan Myhrvold

Human race is all over universe. We are not alone.

— Ashwani Kumar Ojha

If we knew we were not alone in the universe it would have a very, very deep impact on our worldview, on our understanding…

— Paul Davies

It's been by turns frustrating and fascinating and wonderful beyond imagination. If what I suspect is true, it's one of the most important milestones…

— Steven M. Greer

Of course [I believe in aliens]. Are you so arrogant as to believe we are alone in this universe?

— Tom Cruise

Yes, of course. Are you really so arrogant as to believe we are alone in this universe? Millions of stars, and we're supposed to…

— Tom Cruise