The Art of Wordly Wisdom(115)

Get used to the Failings of your Familiars, as you to ugly faces. It is indispensable if they depend on you, or you on them. There are wretched characters with whom one cannot live, nor yet without them. Therefore clever folk get used to them, as to ugly faces, so that they are not obliged to do so suddenly under the pressure of necessity. At first they arouse disgust, but gradually they lose this influence, and reflection provides for disgust or puts up with it.