Extraterrestrial Sayings and Quotes

The universe is so vast, some people think it’s impossible for humans to be the only form of intelligent life. Aliens may seem far fetched but it hasn’t stopped the curious from searching. Check out our collection of insightful and humorous extraterrestrial quotes below.


If aliens ever visit us, I think the outcome would be much as when Christopher Columbus first landed in America, which didn't turn out very well for the Native Americans.     

Stephen Hawking

Perhaps our fears about extraterrestrial contact are merely a projection of our own backwardness, an expression of our guilty conscience about our past history: the ravages that have been visited on civilizations only slightly more backward than we.     

Carl Sagan

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

Arthur C. Clarke

Our sun is one of 100 billion stars in our galaxy. Our galaxy is one of the billions of galaxies populating the universe. It would be the height of presumption to think that we are the only living things within that enormous immensity.     

Werner von Braun

In our time this search [for extraterrestrial life] will eventually change our laws, our religions, our philosophies, our arts, our recreations, as well as our sciences. Space, the mirror, waits for life to come look for itself there.     

Ray Bradbury

You have to think if we've been visited by extraterrestrial life, it was like a zookeeper walking into the chimp enclosure: He looks around, takes some pictures, then leaves without interacting significantly with the environment. Meanwhile the chimps have no idea what the f— just happened.     

J. Richard Singleton

Is E.T. out there? Well, I work at the SETI Institute. That's almost my name. SETI: Search for Extraterrestrial Intelligence. In other words, I look for aliens, and when I tell people that at a cocktail party, they usually look at me with a mildly incredulous look on their face. I try to keep my own face somewhat dispassionate.     

Seth Shostak

Within the scientific community, there is healthy skepticism. And the question is, 'How do you ever get to a meaningful null result? How long and how hard do SETI scientists have to look for extraterrestrial intelligence and find nothing before they say, 'There is nothing. We are alone.'     

Debra Fischer

I think the surest sign that there is intelligent life out there in the universe is that none of it has tried to contact us.     

Bill Watterson

For thirty years, I’ve held that image in my mind. What I saw was a circular object that looked like two pie plates put on top of each other with a golf ball on top. It was a classic flying saucer, and it shot a beam of something at our warhead     

U.S. Air Force Lieutenant Robert M. Jacobs

I certainly believe in aliens in space, and that they are indeed visiting our planet. They may not look like us, but I have very strong feelings that they have advanced beyond our mental capabilities.     

Barry Goldwater