Page:The art of controversy and other posthumous papers (IA artofcontroversy00schouoft).pdf/58

 as soon as you perceive that your opponent has the upper hand, and that you are going to come off worst. It consists in passing from the subject of dispute, as from a lost game, to the disputant himself, and in some way attacking his person. It may be called the argumentum ad personam, to distinguish it from the argumentum ad hominem, which passes from the objective discussion of the subject pure and simple to the statements or admissions which your opponent has made in regard to it. But in becoming personal you leave the subject altogether, and turn your attack to his person, by remarks of an offensive and spiteful character. It is an appeal from the virtues of the intellect to the virtues of the body, or to mere animalism. This is a very popular trick, because every one is able to carry it into effect; and so it is of frequent application. Now the question is, What counter-trick avails for the other party? for if he has recourse to the same rule, there will be blows, or a duel, or an action for slander.

It would be a great mistake to suppose that it is sufficient not to become personal yourself. For by showing a man quite quietly that he is wrong, and that what he says and thinks is incorrect—a process which occurs in every dialectical victory—you embitter him more than if you used some rude or insulting expression. Why is this? Because, as Hobbes observes, all mental pleasure consists in being able to compare oneself with others to one's own advantage. Nothing is of greater moment to a man than the gratification of his vanity, and no