al-Ahnaf bin Qays الأحنف بن قيس بن معاوية · The Book of Zakat

I came to Medina and when I was in the company of the grandees of Quraish a man with a crude body and an uncouth face wearing coarse clothes came there. He stood up before them and said: Give glad tidings to those whom who amass riches of the stones which would be heated in the Fire of Hell, and would be placed at the tick of the chest till it would project from the shoulder bone and would he…

While I was in the company of the (elites) of Quraiah, Abu Dharr came there and he was saying: Give glad tidings to the hoarders of riches that their backs would be branded (so deeply) that (the hot Iron) would come out of their sides, and when the backs of their necks would be branded, it would come out of their foreheads. He (Abu Dharr) then went away and sat down. I asked who he was. They said: He is…