Guild Proberb:

" A soft word and a knife in the back get you more than a soft word."

Keep your mouth shut about what isn’t your business.

You Are Like A Penny Two-Faced And Worthless.

"Fafhrd and the Gray Mouser faced each other across the two senseless thieves...poised for attack...yet neither moved. Each discerned something inexplicably familiar in the other." -Ill Met in Lankhmar