Earth Quote by Albert Einstein

I believe that there may be intelligent life on other planets.

— Pat Buckley

Personally, I don't think there's intelligent life on other planets. Why should other planets be any different from this one?

— Bob Monkhouse

Is there intelligent life on Earth?

— Frank Drake

[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

Only when science and technology are used with human concern in a world in which all of the earth's resources are held as the…

— Jacque Fresco

Why do we worry about intelligent life on other planets if we doubt it here on earth?

— Frederick A Babb

It's overwhelmingly likely that life exists on other planets.

— Paul Horowitz

If this is the only planet on which not only life, but intelligent life, has arisen, that would be very unusual.

— Seth Shostak

There is intelligent life on Earth, but Im just visiting.

— Anonymous

I don't see why there is no intelligent alien life in the universe.

— Neil deGrasse Tyson

Theoretically, there are planets with an environment that can support life. As yet there is no evidence that there indeed is life on other…

— Rakesh Sharma

Intelligent life can't be all that common because it's really rare on Earth and especially since we define ourselves to be intelligent. But in…

— Neil deGrasse Tyson