Let him vary the verses, or poems with prose selections. He will find the verses of the Bible very well adapted for such exercise, as they lend themselves easily to registration in the memory. Shakespeare may be used to advantage in this work. The "Rubaiyat" of Omar Khayyam; or the "Lady of the Lake" by Scott; or the "Song Celestial" or "Light of Asia" both by Edwin Arnold, will be found to be well adapted to this system of memorizing, the verses of each being apt to "stick in the memory," and each poem being sufficiently long to satisfy the requirements of even the most ambitious student. To look at the complete poem (any of those mentioned) it would seem almost impossible that one would ever be able to memorize and recite it from beginning to end, letter perfect. But on the principle of the continual dripping of water wearing away the stone; or the snowball increasing at each roll; this practice of a little being associated to what he already has will soon allow him to accumulate a wonderfully large store of memorized verses, poems, recitations, etc. It is an actual demonstration of the catchy words of the popular song which informs one that: "Every little bit, added to what you've got, makes just a little bit more." After he has acquired quite a large assortment of memorized selections, he will find it impossible to review them all at one time. But he should be sure to review them all at intervals, no matter how many days may elapse between each review. The student who has familiarized himself with the principles upon which memory depends, as given in the preceding chapters, will at once see that the three principles of attention, association and repetition are employed in the natural method herein recommended. Attention must be given in order to memorize each verse in the first place; association is employed in the relationship created between the old verses and the new ones; and repetition is employed by the frequent reviewing, which serves to deepen the memory impression each time the poem is repeated. Moreover, the principle of interest is invoked, in the gradual progress made, and the accomplishment of what at first seemed to be an impossible task--the game element is thus supplied, which serves as an incentive. These combined principles render this method an ideal one, and it is not to be wondered that the race has so recognized it from the earliest times. CHAPTER XIX. HOW TO REMEMBER BOOKS, PLAYS, TALES, ETC.