Musannaf Ibn Abi Shayba 13:1991

Abu Bakr narrated to us, he said: Waki' narrated to us, he said: Mis'ar narrated to us, from 'Abd al-Karim, who said: I said to 'Abd Allah ibn 'Utbah: "Is a reward (ja'ilah) made for the runaway slave?" He said: "Yes." I said: "The free person?" He said: "No."