"It is true that the full fruits of our teaching and of the child's learning must wait for time and experience to bring the individual to fuller development. But it is also true that it is impossible for the child to lay up a store of unused knowledge and have it remain against a later time of need in a distant future. The only knowledge that forms a vital part of our equipment is knowledge that is in active service, guiding our thoughts and decisions from day to day. Unused knowledge quickly vanishes away, leaving little more permanent impression on the life than that left on the wave when we plunge our hand into the water and take it out again. In similar way the interests, ideals, and emotions which are aroused, without at the same time affording a natural outlet for expression in deeds and conduct, soon fade away without having fulfilled the purpose for which they exist. The great thing in religious education is to find immediate and natural outlet in expression, a way for the child to use what he learns; to get the child to do those things pointed out by the lessons we teach him." As the teacher faces this "carry-over" problem he is impressed that he must touch the lives of his pupils not only as individuals but as members of a social group. It becomes his obligation not only to direct them in matters pertaining to their own welfare, physically, intellectually, and morally, but he has a responsibility in helping to establish the standards of society to which individuals naturally subscribe more or less unconsciously. The strong teacher's influence can be made to affect the ideals of the athletic field, of the amusement hall, of the church, of the business center, and of the home. These agencies offer such a variety of possibilities that every lesson offers easily some avenue of application. By way of illustration let us turn to a few subjects and point out some possibilities in the matter of application. May it be said here, in passing, that the secret of making application lies in not getting lost in the past so that we may walk along with our heads turned back over the shoulder of time pondering merely the things of the past. All too often the teacher hurries over into the Holy Land of some four thousand years ago, leaving a class of twentieth century boys and girls here at home to wonder what all that ancient material has to do with the problems that confront them here and now. Not that we should ignore the past. Successful application lies in reaching back into the past for a solution of today's difficulties. But the _solution_ is our great concern. "We look back that we may the better go forward." To illustrate: