Intelligent Quote by Franklin D. Roosevelt

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

— Neil deGrasse Tyson

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

— Pat Buckley

I'm sure the universe is full of intelligent life. It's just been too intelligent to come here.

— Arthur C. Clarke

It would be selfish to believe that we are the only intelligent life in the universe.

— Kerli

Intelligent life on other planets? I'm not even sure there is on earth!

— Albert Einstein

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

— Seth Shostak

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

— Frederick A Babb

The best proof that there's intelligent life in the universe is that it hasn't come here.

— Arthur C. Clarke

[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 hope that someday we will find evidence that there is intelligent life among humans on this planet.

— Sylvia Earle

Intelligent life on a planet comes of age when it first works out the reason for its own existence.

— Richard Dawkins

Perhaps, as some wit remarked, the best proof that there is Intelligent Life in Outer Space is the fact it hasn't come here. Well,…

— Arthur C. Clarke