Sahih Muslim
The Book Giving Description of the Day of Judgement, Paradise and Hell (Kitab Sifat Al-Qiyamah wal Janna wan-Nar)
Book Number: 039 / Hadith Number: 6716
This hadith has been narrated on the authority of Khabbib through another chain of transmitters and the words are. I in the pre-Islamic days used to work as an iron-smith. I did some work for 'As b. Wa'il and came to him for getting the remuneration of my wages.