If the pupil has painstakingly reviewed this entire work, let him for
the next three months, whenever he wishes to fix anything in mind, not
apply the methods of the system to it, but concentrate his thoughts upon
it with the utmost intensity so that his improved power of assimilation
will seize upon it with an unreleasing grasp, and, then, when the three
months period has passed, he will find that he has consolidated the
Habit of Attention and Memory.