We are to study the mind and its education; but how? It is easy to understand how we may investigate the great world of material things about us; for we can see it, touch it, weigh it, or measure it. But how are we to discover the nature of the mind, or come to know the processes by which consciousness works? For mind is intangible; we cannot see it, feel it, taste it, or handle it. Mind belongs not to the realm of matter which is known to the senses, but to the realm of spirit, which the senses can never grasp. And yet the mind can be known and studied as truly and as scientifically as can the world of matter. Let us first of all see how this can be done.
1. The nature of interest: Interest a selective agent--Interest supplies a subjective scale of values--Interest dynamic--Habit antagonistic to interest. 2. Direct and indirect interest: Interest in the end versus interest in the activity--Indirect interest as a motive--Indirect interest alone insufficient. 3. Transitoriness of certain interests: Interests must be utilized when they appear--The value of a strong interest. 4. Selection among our interests: The mistake of following too many interests--Interests may be too narrow--Specialization should not come too early--A proper balance to be sought. 5.