Sunan Ibn Majah, Chapter: The Chapters on Business Transactions

that the Prophet (saw) said: "There are three to whom Allah will not speak on the Day of Resurrection nor will He look at them or purify them, and theirs will be a painful torment." I said: "Who are they, O Messenger of Allah? For they are indeed losers." He said: "The one who lets his garment hang beneath his ankles, the one who reminds another of what he has given him, and the one who sells his product by means of false oaths."