80 – Khalid ibn Mirdas al-Sarraj narrated to us; he said: ʿAbd Allah ibn al-Mubarak narrated to us, from ʿUbayd Allah ibn al-Walid, from ʿAbd Allah ibn ʿUbayd, who said: ʿUmar ibn al-Khattab declared, “O assembly of Emigrants, do not keep visiting those who are immersed in worldly life, for such conduct ⦗72⦘ invites the loss of provision.”