The psychological components of war have not gone away—dominance, vengeance, callousness, tribalism, groupthink, self-deception

The goal of argumentation is to make a case so forceful (note the metaphor) that skeptics are coerced into believing it—they are powerless to deny it while still claiming to be rational. In principle, it is the ideas themselves that are, as we say, compelling, but their champions are not always averse to helping the ideas along with tactics of verbal dominance, among them intimidation (“Clearly . . .”), threat (“It would be unscientific to . . .”), authority (“As Popper showed . . .”), insult (“This work lacks the necessary rigor for . . .”), and belittling (“Few people today seriously believe that . . .”). Perhaps this is why H. L. Mencken wrote that “college football would be more interesting if the faculty played instead of the students.

Evolutionary psychology is one of four sciences that are bringing human nature back into the picture.

Equality is not the empirical claim that all groups of humans are interchangeable; it is the moral principle that individuals should not be judged or constrained by the average properties of their group.

During a famine, the father and stepmother of Hansel and Gretel abandon them in a forest so that they will starve to death. The children stumble upon an edible house inhabited by a witch, who imprisons Hansel and fattens him up in preparation for eating him. Fortunately Gretel shoves the witch into a fiery oven, and “the godless witch burned to death in a horrible way.” 41 • Cinderella’s stepsisters, when trying to squeeze into her slippers, take their mother’s advice and cut off a toe or heel to make them fit. Doves notice the blood, and after Cinderella marries the prince, they peck out the stepsisters’ eyes, punishing them “for their wickedness and malice with blindness for the rest of their lives.”

Snow White arouses the jealousy of her stepmother, the queen, so the queen orders a hunter to take her into the forest, kill her, and bring back her lungs and liver for the queen to eat. When the queen realizes that Snow White has escaped, she makes three more attempts on her life, two by poison, one by asphyxiation. After the prince has revived her, the queen crashes their wedding, but “iron slippers had already been heated up for her over a fire of coals.... She had to put on the red-hot iron shoes and dance in them until she dropped to the ground dead.

Knights do protect ladies, but only to keep them from being abducted by other knights.