Book 3
10.6
as to words, they are popular if they contain metaphor, provided it be neither strange, for then it is difficult to take in at a glance, nor superficial, for then it does not impress the hearer; further, if they set things before the eyes; for we ought to see what is being done rather than what is going to be done. We ought therefore to aim at three things—metaphor, antithesis, actuality.
