Measure out items when selling or buying; Be fair and just; Be honest and truthful; Conduct business transactions responsibly.

This hadith is about the permission given by Allah's Messenger to sell dry dates with fresh dates after measuring them out. This means that when selling dry and fresh dates, one should measure them out in order to ensure fairness and justice in the transaction. This hadith teaches us the importance of fairness and justice in our dealings, as well as being mindful of how we conduct our business transactions. It also encourages us to be honest and truthful when dealing with others, so that everyone involved can benefit from a fair exchange.