Let'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 StephensonIt is exciting to discover electrons and figure out the equations that govern their movement; it is boring to use those principles to design electric can openers. From here on out, it's all can openers.
Neal StephensonSupposing that originally there was nothing but one creator, how could ordinary binary sexual relations come into being?
Neal StephensonWait a minute, Juanita. Make up your mind. This Snow Crash thingโis it a virus, a drug, or a religion?" Juanita shrugs. "What's the difference?
Neal Stephenson