Opposition
cited in this lesson have made manifest the force of opposition, and it is urged that they be diligently studied by the student before he passes on to the next lesson. These lessons form a natural sequence, one helping the other, and if the student is to gain the desired help from this course in memory training, he must master the lessons in the order in which they are arranged. This is the fourth lesson of the course, and before taking up the fifth, all the preceding ones should be thoroughly mastered. Attention, remember, is one of the essentials to memory, so apply it in this instance and hearken to the advice of your instructor. Get to the soul of matter by laying hold of the thought.
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