(2) _In life occupations._ Extreme variations in ability should certainly be considered in choosing one's life work. Only persons of the highest ability should go into science, law, medicine, or teaching. Many occupations demand special kinds of ability, special types of reaction, of attention, imagination, etc. For example, the operation of a telephone exchange demands a person of quick and steady reaction. The work of a motorman on a street car demands a person having the broad type of attention, the type of attention that enables one to keep in mind many details at the same time. Scientific work demands the type of concentrated attention. As far as it is possible, occupations demanding special types of ability should be filled by people possessing these abilities. It is best for all concerned if each person is doing what he can do best. It is true that many occupations do not call for special types of ability. And therefore, as far as ability is concerned, a person could do as well in one of these occupations as in another. The time will sometime come when we shall know the special abilities demanded by the different occupations and professions, and by suitable tests shall be able to determine what people possess the required qualifications. The schools should always be on the lookout for unusual ability. Children that are far superior to others of the same age should be allowed to advance as fast as their superior ability makes possible, and should be held up to a high order of work. Such superior people should be, as far as possible, in the same classes, so that they can the more easily be given the kind and amount of work that they need. The schools should find the children of unusual special ability, such as ability in drawing, painting, singing, playing musical instruments, mechanical invention, etc. Some provision should be made for the proper development and training of these unusual abilities. Society cannot afford to lose any spark of genius wherever found. Moreover, the individual will be happier if developed and trained along the line of his special ability. =Subnormal Children.= A small percentage of children are of such low mentality that they cannot do the ordinary school work. As soon as such children can be picked out with certainty, they should be taken out of the regular classes and put into special classes. It is a mistake to try to get them to do the regular school work. They cannot do it, and they only waste the teacher's time and usually give her much trouble. Besides, they waste their own time; for while they cannot do the ordinary school work, they can do other things, perhaps work of a manual nature. The education of such people should, therefore, be in the direction of simple manual occupations.