Note 111
From Chapter 2 of the Decline & Fall

Longin, de Sublim. c. 43, p. 229, edit. Toll. Here too we may say of Longinus, "his own example strengthens all his laws." Instead of proposing his sentiments with a manly boldness, he insinuates them with the most guarded caution, puts them into the mouth of a friend; and, as far as we can collect from a corrupted text, makes a show of refuting them himself.