Sometimes I think the surest sign that intelligent life exists elsewhere in the universe is that none of it has tried to contact us.
Calvin and Hobbes, by CalvinThe universe is like a safe to which there is a combination. But the combination is locked up in the safe.
Peter De VriesDo not look at stars as bright spots only. Try to take in the vastness of the universe.
Maria MitchellThere may be aliens in our Milky Way galaxy, and there are billions of other galaxies. The probability is almost certain that there is life somewhere in space.
Buzz AldrinFirst of all, we must note that the universe is spherical.
Nicolaus CopernicusWhen we try to pick anything by itself, we find it hitched to everything else in the universe.
John MuirIt suddenly struck me that that tiny pea, pretty and blue, was the Earth. I put up my thumb and shut one eye, and my thumb blotted out the planet Earth. I didn't feel like a giant. I felt very, very small.
WorldNeil ArmstrongCan we actually 'know' the universe? My God, it's hard enough finding your way around in Chinatown.
UnderstandingWoody AllenTwo things are infinite: the universe and human stupidity; and I'm not sure about the universe.
Humanity, FoolishnessAlbert Einstein