We now know that we are more insignificant than we ever imagined. If you get rid of everything we see, the universe is essentially the same. We constitute a 1 percent bit of pollution in a universe . . . we are completely irrelevant.
Lawrence M. KraussThe real thing that physics tell us about the universe is that it's big, rare event happens all the time — including life — and that doesn't mean it's special.
Lawrence M. Krauss