Once a person has all the things they need to live, everything else is entertainment.
Neal StephensonLet's set the existence-of-God issue aside for a later volume, and just stipulate that in some way, self-replicating organisms came into existence on this planet and immediately began trying to get rid of each other, either by spamming their environments with rough copies of themselves, or by more direct means which hardly need to be belabored. Most of them failed, and their genetic legacy was erased from the universe forever, but a few found some way to survive and to propagate.
Neal StephensonThe only thing that can effect a big change in personality is something that physically rewires the brain and/or alters the body's chemical milieu.
Neal StephensonThe science fiction approach doesn't mean it's always about the future; it's an awareness that this is different.
Neal Stephenson