Because sometimes you have to do something bad to do something good.
For life is terribly deficient in form. Its catastrophes happen in the wrong way and to the wrong people. There is a grotesque horror about its comedies, and its tragedies seem to culminate in farce.
Really, if the lower orders don't set a good example, what on earth is the use of them?
One is not always happy when one is good; but one is always good when one is happy.
Most men and women are forced to perform parts for which they have no qualification.
All art is quite useless.