Since survival is the sine qua non, I now define the "moral behavior" as "behavior that tends toward survival".
Robert A. HeinleinAnyone who cannot cope with mathematics is not fully human. At best, he is a tolerable subhuman who has learned to wear his shoes, bathe, and not make messes in the house.
Robert A. HeinleinThe most important lesson in the writing trade is that any manuscript is improved if you cut away the fat.
Robert A. HeinleinA fake fortuneteller can be tolerated. But an authentic soothsayer should be shot on sight. Cassandra did not get half the kicking around she deserved.
Robert A. HeinleinTake sex away from people. Make it forbidden, evil. Limit it to ritualistic breeding. Force it to back up into suppressed sadism. Then hand the people a scapegoat to hate. Let them kill a scapegoat occasionally for cathartic release. The mechanism is ages old. Tyrants used it centuries before the word "psychology" was ever invented. It works, too.
Robert A. Heinlein