Discourses: Book 2 11 : 3
What subject has arisen that we wish to investigate?—Pleasure.—Subject it to the standard, put it into the balance. Should the good be the sort of thing that we can properly have confidence and trust in?—It should.—Can we properly have confidence, then, in something that is insecure?—No.—Pleasure contains no element of security, does it?—No.—Away with it, then, and throw it out of the balance, and drive it far away from the region of things good. But if you are not endowed with keen eyesight and if one balance is not enough for you, bring another. Can one properly feel elated over the good?—Yes.—Can one properly feel elated, then, over the moment's pleasure? See that you do not say that it is proper; if you do, I shall no longer regard you as a proper person even to have a balance!