But before naming these "factors of interestingness," may we not also name and discuss briefly some other essentials in the matter of creating and maintaining interest? In the first place it is good to remember that a teacher who would have his pupils interested must himself be interested. If he would see their faces light up with the glow of enthusiasm, he must be the charged battery to generate the current. Interest begets interest. It is as contagious as whooping cough--if a class is exposed it is sure to catch it. The teacher who constantly complains of a dull class, very likely is simply facing a reaction to his own dullness or disagreeableness. "Blue Monday" isn't properly so named merely because of the drowsy pupil. The teacher inevitably sets the pace and determines the tone of his class. Many a teacher when tired, or out of patience, has concluded a recitation feeling that his pupils were about the most stupid group he has ever faced; the same teacher keyed up to enthusiasm has felt at the close of another recitation that these same pupils could not be surpassed. A student with whom the writer talked a short time ago remarked that she could always tell whether the day's class was going to be interesting under a particular teacher as soon as she caught the mood in which she entered the classroom. Half-heartedness, indifference, and unpleasantness are all negative--they neither attract nor stimulate. Interest and enthusiasm are the sunshine of the classroom--they are to the human soul what the sun's rays are to the plant. The second great guarantee of interest is preparation. The teacher needs to have his subject matter so thoroughly in mind that, free from textbook and notes, he can reach out to a real contact with his boys and girls. If his eyes are glued to his book, he cannot hope to arouse keen interest. The eye is a great force in gripping the attention of a class or audience. They want nothing to stand between them and the speaker. Not long ago one of the most forceful and eloquent public speakers in Utah failed miserably, in addressing a thoroughly fine audience, because he was lost in the machinery of his notes. His material was excellent--his power as an orator unquestioned--yet he was bound down by a lack of preparation that cost him the mastery of his audience. Not only does adequate preparation enable a teacher to reach out and take hold of his pupils; it makes it possible for him to capitalize on the situations that are bound to arise in class discussion. A concrete illustration to clear up a troublesome question, an appropriate incident to hit off some general truth, a happy phrase to crystallize a thought--all these things are born only of adequate preparation.