Arrogant Quote by Stephen Hawking

How can the human race be, like, the only living form in the universe? There have to be other life forms out there. I…

— Christopher Mintz-Plasse

I think it's fantastically narcissistic to believe that in the entire universe, with all of the planetary systems that we've already discovered and the…

— Ian Bremmer

People quite often think of the question 'Are we alone in the universe?' in terms of other civilizations out there: life forms that have…

— Dimitar Sasselov

It's just too egotistical to think that we are the only lifeform in the universe.

— Kathleen Quinlan

We are embedded in the great evolutionary story of planet Earth, the spare, elegant process of mutation and selection and bricolage. And this means…

— Ursula Goodenough

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

I don't think we are the only planet that has life.

— Sandra Bullock

“One reason I find anthropic reasoning troublesome is that no one yet knows what might be essential to any possible form of life or…

— Lisa Randall

I think it's fantastically narcissistic to believe that in the entire universe, with all of the planetary systems that we've already discovered and the…

— Ian Bremmer

I've always thought that we, as human beings, would be naive and arrogant to pretend that we're the only life form in the galaxy.

— Jonathan Frakes

[My study of the universe] leaves little doubt that life has occurred on other planets. I doubt if the human race is the most…

— Harold Urey

I believe in aliens. I think it would be way too selfish of us as mankind to believe we are the only lifeforms in…

— Demi Lovato