Black holes provide theoreticians with an important theoretical laboratory to test ideas. Conditions within a black hole are so extreme, that by analyzing aspects of black holes we see space and time in an exotic environment, one that has shed important, and sometimes perplexing, new light on their fundamental nature.
Brian GreeneThe idea that there could be other universes out there is really one that stretches the mind in a great way.
Brian GreeneI may be a Jewish scientist, but I would be tickled silly if one day I were reincarnated as a Baptist preacher.
Brian Greene