Alien Life Quotes by Deke Slayton, Clive Barker, Stephen Hawking, Gene Cernan, Steve Perry, Metrodorus of Chios and many others.

As I got closer it looked like a weather balloon, gray and about three feet in diameter. But as soon as I got behind the darn thing it didn’t look like a balloon anymore. It looked like a saucer, a disk.
Superman is, after all, an alien life form. He is simply the acceptable face of invading realities.
We only have to look at ourselves to see how intelligent life might develop into something we wouldn’t want to meet.
I’ve been asked about UFOs and I’ve said publicly I thought they were somebody else, some other civilization.
I was testing a P-51 fighter in Minneapolis when I spotted this object. I was at about 10,000 feet on a nice, bright, sunny afternoon. I thought the object was a kite, then I realized that no kite is gonna fly that high.
Humans suffer from self-centred notions as to the nature of life. Humans assume that alien life forms should conform to standards that match our own, including logic and morality. Even among humans, morality is ignored when expedient. Why should we expect more from an alien life form than we demand from ourselves?
To consider the Earth as the only populated world in infinite space is as absurd as to assert that in an entire field of millet, only one grain will grow.
I don’t see why there is no intelligent alien life in the universe.
A time will come when men will stretch out their eyes. They should see planets like our Earth