Classicly

The Trained Memory Being the Fourth of a Series of Twelve Volumes on the Applications of Psychology to the Problems of Personal and Business Efficiency. Almost everyone seems to think that we retain in the mind only those things that we can voluntarily recall; that memory, in other words, is limited to the power of voluntary reproduction. This is a profound error. It is an inexcusable error. The daily papers are constantly reporting cases of the lapse and restoration of memory that contain all the elements of underlying truth on this subject.