human activity, and that not the most important but only the more conscious, explicit, and civilized part.
In all the more instinctive part of our nature we are dominated by impulses to certain kinds of activity, not by desires for certain ends. Children run and shout, not because of any good which they expect to realize, but because of a direct impulse to running and shouting. Dogs bay the moon, not because they consider that it is to their advantage to do so, but because they feel an impulse to bark. It is not any purpose, but merely an impulse, that prompts such actions as eating, drinking, love-making, quarreling, boasting. Those who believe that man is a rational animal will say that people boast in order that others may have a good opinion of them; but most of us can recall occasions when we have boasted in spite of knowing that we should be despised for it. Instinctive acts normally achieve some result which is agreeable to the natural man, but they are not performed from desire for this result. They are performed from direct impulse, and the impulse is often strong even in cases in which the normal desirable result cannot follow. Grown men like to imagine themselves more rational than chil-
