This landmark work on memory, originally published in the early 17th century, provides a fascinating insight into the art of memorization. Erhardt outlines a number of techniques and methods for improving memory, including the use of vivid imagery and the association of complex ideas with simple objects. A must-read for anyone interested in the history of psychology and cognition. This work has been selected by scholars as being culturally important, and is part of the knowledge base of civilization as we know it. This work is in the "public domain in the United States of America, and possibly other nations. Within the United States, you may freely copy and distribute this work, as no entity (individual or corporate) has a copyright on the body of the work. Scholars believe, and we concur, that this work is important enough to be preserved, reproduced, and made generally available to the public. We appreciate your support of the preservation process, and thank you for being an important part of keeping this knowledge alive and relevant.