Quotes about Extraterrestrial
A purely psychological explanation is ruled out... the discs show signs of intelligent guidance, by quasi-human pilots.
— Carl Jung
I think it quite likely that we are the only civilization within several hundred light years; otherwise we would have heard radio waves.
— Stephen Hawking
Science fiction is filled with Martians and space travel to other planets, and things like that.
— Margaret Atwood
If the government is covering up knowledge of aliens, they are doing a better job of it than they do at anything else.
— Stephen Hawking
Perhaps, in retrospect, there would be little motivation even for malevolent extraterrestrials to attack the Earth; perhaps, after a preliminary survey, they might decide it is more expedient just to be patient for a little while and wait for us to self-destruct.
— Carl Sagan
It is a sobering thought that Gomer Pyle and the Beverly Hillbillies may be among our chief interstellar emissaries.
— Kurt Vonnegut Jr.
The total number of such worlds are, as I said, something of the order of a trillion, or 10^12, a one followed by twelve zeros, of which Earth represents just one, all in the family of the Sun. And our star, of course, is one of a vast multitude.
— Carl Sagan
I occasionally think how quickly our differences worldwide would vanish if we were facing an alien threat from outside this world.
— Ronald Reagan
I think it would be arrogant and borderline foolish to believe there's no other life forms that exist out there.
— Will Smith
I can assure you that flying saucers, given that they exist, are not constructed by any power on Earth.
— Harry S. Truman
The human race may be the only intelligent beings in the galaxy.
— Stephen Hawking
Issuing an insurance policy against abduction by aliens seems a pretty safe bet.
— Stephen Hawking