Book 11
1.7
And what, again, shall we say of the fact that the things we search for frequently refuse to present themselves and then occur to us by chance, or that memory does not always remain with us, but will even sometimes return to us after it has been lost? But we should never have realised the fullness of its power nor its supernatural capacities, but for the fact that it is memory which has brought oratory to its present position of glory.
1.8
For it provides the orator not merely with the order of his thoughts, but even of his words, nor is its power limited to stringing merely a few words together; its capacity for endurance is inexhaustible, and even in the longest pleadings the patience of the audience flags long before the memory of the speaker.
1.9
This fact may even be advanced as an argument that there must be some art of memory and that the natural gift can be helped by reason, since training enables us to do things which we cannot do before we have had any training or practice. On the other hand, I find that Plato Phaedr. 275 A. asserts that the use of written characters is a hindrance to memory, on the ground, that is, that once we have committed a thing to writing, we cease to guard it in our memory and lose it out of sheer carelessness.