A quote
However, I have this further reason for frightening you away from the latter malady, namely, that you could only be successful in practising this style by losing your sense of modesty; you would have to rub all shame from your countenance, and refuse to hear yourself speak. For that heedless flow will carry with it many expressions which you would wish to criticize.
Seneca·Letter 40 — On the Proper Style for a Philosopher’s Discourse (§13)·trans. Gummere