Al-Adab Al-Mufrad #1266

Husayn ibn Mus'ab reported that someone told Abu Hurayra, "We wager two pigeons and we do not want for there to be a third unwagered pigeon between them so that the unwagered pigeon might take the winnings." Abu Hurayra said, "That is how children behave. You are at the point where you should abandon that."