It is the duty of the true teacher to inspire the child to activity along right lines. Through his own activity the child shapes his inner world which is sometimes termed character.

Knowledge is anything known, power is ability to act, skill is a readiness of action.

(5) Instruction is the art of occasioning those activities which result in knowledge.

Instruction develops the understanding; teaching develops character.

(6) Training is the occasioning of those activities which, by means of directed exercise, result in power and skill.

Training and education are not interchangeable. Training implies an outside authority, while education, which involves inner development, may proceed without supervision.

(7) Knowledge is anything acquired by the act of knowing.

(8) Learning is the act of acquiring knowledge or skill.

(9) Instruction, training, teaching, learning and education all involve activity.

Instruction arouses activity which results in knowledge; training directs activity which produces power and skill; teaching includes both instruction and training. Learning is an activity which results in knowledge and skill, while education is a developing process which involves all the others.