Yazid bin Khalid bin Yazid يزيد بن خالد بن يزيد · Commercial Transactions (Kitab Al-Buyu)

The Messenger of Allah (ﷺ) commanded him to equip an army, but the camels were insufficient. So he commanded him to keep back the young camels of sadaqah, and he was taking a camel to be replaced by two when the camels of sadaqah came.