Institutio Oratoria

But for the purpose of getting a real grasp of what we have written under the various heads, division and artistic structure will be found of great value, while, with the exception of practice, which is the most powerful aid of all, they are practically the only means of ensuring an accurate remembrance of what we have merely thought out. For correct division will be an absolute safeguard against error in the order of our speech,

since there are certain points not merely in the distribution of the various questions in our speech, but also in their development (provided we speak as we ought), which naturally come first, second, and third, and so on, while the connexion will be so perfect that nothing can be omitted or inserted without the fact of the omission or insertion being obvious.

We are told that Scaevola, after a game of draughts in which he made the first move and was defeated, went over the whole game again in his mind on his way into the country, and on recalling the move which had cost him the game, returned to tell the man with whom he had been playing, and the latter acknowledged that he was