Survival machines that can simulate the future are one jump ahead of survival machines who can only learn on the basis of overt trial and error. The trouble with overt trial is that it takes time and energy. The trouble with overt error is that it is often fatal. Simulation is both safer and faster. The evolution of the capacity to simulate seems to have cumulated in subjective consciousness.

I know that not all my readers like my digressions, but the research that has been done on Caenorhabditis elegans is such a ringing triumph of science that you aren't going to stop me.

bad things, like good things don't happen any more often than they ought to by chance. the universe has no mind, no feelings, and no personality, so it doesn't do things in order to either hurt or please you. bad things happen because things happen.