Letter 7 — On Crowds (§7)

“Much harm is done by a single case of indulgence or greed; the familiar friend, if he be luxurious, weakens and softens us imperceptibly; the neighbour, if he be rich, rouses our covetousness; the companion, if he be slanderous, rubs off some of his rust upon us, even though we be spotless and sincere. What then do you think the effect will be on character, when the world at large assaults it! You must either imitate or loathe the world.”