The manners are clumsy and inferior; the hand of the rhetorician is apparent at every turn.
You say that you can make any man, who will learn of you, a rhetorician?
The rhetorician then must be a just man, and rhetoric is a just thing.
Seneca was the most eminent writer, rhetorician, and orator of his time.
That matters very little, except to a pedant and a rhetorician.