Institutio Oratoria

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.

And there can be no doubt that concentration of mind is of the utmost importance in this connexion; it is, in fact, like the eyesight, which turns to, and not away from, the objects which it contemplates. Thus it results that after writing for several days with a view to acquiring by heart what we have written, we find that our mental effort has of itself imprinted it on our memory.

The first person to discover an art of memory is said to have been Simonides, [*](See x. i. 64.) of whom the following well-known story is told. He had written an ode of the kind usually composed in honour of victorious athletes, to celebrate the achievement of one who had gained the crown for boxing. Part of the sum for which he had contracted was refused him on the ground that, following the common practice of poets, he had introduced a digression in praise of Castor and Pollux, and he was told that, in view of what he had done, he had best ask for the rest of the sum due from those whose deeds he had