Making friends with bad guys is like snow entering Mo Chi. Although it melts into water, the color becomes dirtier. Follow people to the end, like charcoal into a chimney, although it turns to ashes, its fragrance will not go out. "Making friends with bad guys is like snow entering Mo Chi. Although it melts in water, its color is dirtier; When you are with the people at last, if you put charcoal into the incense burner, although it becomes ashes, its fragrance will not go out. " It means interacting with evil and flattering people, just like snow entering Mo Chi, although it melts into water, its color is dirtier; Getting along with honest people is like charcoal entering a censer. Although it was burned to ashes, its fragrance was still audible.