Let the act be one of intelligence. Some new fact or law is discovered. On one hand, this discovery may arouse a hitherto comparatively dormant mind; it may suggest the possession of capacities previously latent; it may stimulate mental activity and create a thirst for expanding knowledge. This readjustment of intellectual needs and powers may be comparatively slight, or it may amount, as it has with many a young person, to a revolution. On the other hand, the new fact changes the intellectual outlook, the mental horizon, and, by transforming somewhat the relations of things, demands new conduct. All this, even when the growth of knowledge concerns only the physical world. But development of insight into social needs and affairs has a larger and more direct progressive influence. The social world exists spiritually, as conceived, and a new conception of it, new perception of its scope and bearings, is, perforce, a change of that world. And thus it is with the satisfaction of the human want of knowledge, that patience, courage, self-respect, humility, benevolence, all change character. When, for example, psychology has given an increase of knowledge regarding men's motives, political economy an increase of knowledge regarding men's wants, when historical knowledge has added its testimony regarding the effects of indiscriminate giving, charity must change its content. While once, the mere supplying of food or money by one to another may have been right as meeting the recognized relations, charity now comes to mean large responsibility in knowledge of antecedents and circumstances, need of organization, careful tracing of consequences, and, above all, effort to remove the conditions which made the want possible. The activity involved has infinitely widened.