The best quotes about Universe

First of all, we must note that the universe is spherical.

When we try to pick anything by itself, we find it hitched to everything else in the universe.

It 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.

Can we actually 'know' the universe? My God, it's hard enough finding your way around in Chinatown.

Two things are infinite: the universe and human stupidity; and I'm not sure about the universe.

There is nothing permanent except change.