Sunan Abi Dawud

Narrated Abu Hurairah:The Messenger of Allah (ﷺ) passed a man who was selling grain. He asked him: How are you selling? He informed him. Revelation them came down to him saying: ""Put your hand into it."" So he put his hand into it, and felt that it was damp. The Messenger of Allah (ﷺ) then said: ""He who deceives has nothing to do with us