Those who come after them will see what they have done, they cannot see it themselves. With less difficulty perhaps, because reason is more developed and the hot-headed and irritable phase of character is passing away, they will be able to apply the principles which have been laid down. With less difficulty, that is to say against less resistance, but not with less responsibility or even with less anxiety. For the nearer the work approaches to its completion and the more perfectly it has been begun, the more deeply must anyone approaching to lay hand upon it feel the need for great reverence, and self-restraint, and patience, and vigilance, not to spoil by careless interference that which is ready to receive and to give all that is best in youth, not to be unworthy of the confidence which a young mind is willing to place in its guidance.
For although so much stress is laid upon the impressionability of first childhood and the ineffaceable marks that are engraven on it, yet as to all that belongs to the mind and judgment this third period, in the early years of adolescence, is more sensitive still, because real criticism is just beginning to be possible and appreciation is in its spring-tide, now for the first time fully alive and awake. A transition line has been passed, and the study of history, like everything else, enters upon a new phase. The elementary teaching which has been sufficient up to this, which has in fact been the only possible teaching, must widen out in the third period, and the relative importance of aims is the line on which the change to more advanced teaching is felt.
The exercise of judgment becomes the chief object, and to direct this aright is the principal duty of those who teach at this age. It is not easy to give a right discernment and true views. To begin with one must have them oneself, and be able to support them with facts and arguments, they must have the weight of patient work behind them, and have settled themselves deeply in the mind; opinions freshly gathered that very day from an article or an essay are attractive and interesting and they appeal very strongly to young minds looking out for theories and clues, but they only give superficial help; in general, essay-writers and journalists do not expect to be taken too seriously, they intend to be suggestive rather than convincing, and it is a great matter to have the principle understood