"Our universe is what it is simply because we are here.
The situation can be likened to that of a group of intelligent fish who one day begin wondering why their world is completely filled with water.
Many of the fish, the theorists, hope to prove that the cosmos necessarily has to be filled with water. For years, they put their minds to the task but can never quite seem to prove their assertion.
Then a wizened group of fish postulates that maybe they are fooling themselves. Maybe, they suggest, there are many other worlds, some of them completely dry, some wet, and everything in between.”
- Alan Lightman (1948 - )
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