99. Controversies like these have often been conducted as if the _humaniora_ or humanistic studies were radically opposed to the _realia_ and could not admit them to partnership. In reality, the latter are at least as much a legitimate part of a complete education as the former. The whole matter has been made worse by the practice of some of the older generation of teachers who, in order to make the prescribed studies more palatable, descended to all kinds of amusement and play, instead of laying stress on abiding and growing interest. A view that regards the end as a necessary evil to be rendered endurable by means of sweetmeats, implies an utter confusion of ideas; and if pupils are not given serious tasks to perform, they will not find out what they are able to do. We must, however, note in this connection that there are legitimate occasions even for the sweetening of study, just as in medicine there is a place for palliatives, notwithstanding the firm conviction of the physician that remedies promising a radical cure deserve the preference. Harmful and reprehensible as habitual playing with a subject is when it usurps the place of serious and thorough instruction, in cases where a task is not difficult, but seems so to the pupil, it often becomes necessary to start him by a dexterous, cheerful, almost playlike presentation of that which he is to imitate. Superfluous prolixity and clumsiness, through the ennui alone that they produce, cause failure in the easiest things. All this applies especially to the teaching of younger children and to the first lessons in a new subject, _e.g._, learning to read Greek, the beginning of algebra, etc. 100. If, among the conflicting opinions referred to, there is any vital point of controversy, it lies in the _a priori_ assumption that certain subjects must be taught (96). Such an assumption educative instruction cannot allow to be severed from the end aimed at: the intellectual self-activity of the pupil. This, and not mere knowledge, any more than utility, determines the point of view with regard to the instruction-material. Experience and social intercourse are the primary sources of the pupil’s ideas. It is with reference to these two factors that we estimate strength or weakness in the ideas, and decide what instruction may accomplish with comparative ease or difficulty, at an earlier or at a later period. Good child literature turns to these sources even while children are only just learning to read, and gradually enlarges their range of thoughts. Not until this has been done can the question of instruction in one or the other department of knowledge claim consideration.