Aabad bin al-Walid bin Khalid عباد بن الوليد بن خالد الغبري · The Chapters on Business Transactions

"O people, fear Allah and be moderate in seeking a living, for no soul will die until it has received all its provision, even if it is slow in coming. So fear Allah and be moderate in seeking provision; take that which is permissible and leave that which is forbidden. "

"Allah has not sent any Prophet but he was a shepherd." His Companions said to him: "Even you, O Messenger of Allah?" He said: "Even me I used to tend the sheep of the people of Makkah for a few Qirats." (Sahih)(One of the narrators) Suwaid said: " Meaning one Qirat for every sheep."