One of Quintilian's own orators has said that a great speaker only gives back to his hearers in flood what they have already given to him in vapour.
3.

'I was always pleased,' says Calvin, 'with that saying of Chrysostom, "The foundation of our philosophy is humility"; and yet more pleased with that of Augustine: "As," says he, "the rhetorician being asked, What was the first thing in the rules of eloquence?
he answered, Pronunciation; what was the second?
Pronunciation; what was the third?
and still he answered, Pronunciation.

So if you would ask me concerning the precepts of the Christian religion, I would answer, firstly, secondly, thirdly, and for ever, Humility."' And when Ill-pause opened his elocutionary school for the young orators of hell, he is reported to have said this to them in his opening address, 'There are only three things in my school,' he said; 'three rules, and no more to be called rules.

The first is Delay, the second is Delay, and the third is Delay.

Study the art of delay, my sons; make all your studies to tell on how to make the fools delay.