Ibrāhīm ibn Saʿīd narrated to us, saying: Mūsā ibn Ayyūb al-Naṣībī narrated to us, saying: Miskīn ibn Bukayr narrated to us, from Arṭaʾah, who said:

Jesus son of Mary—peace be upon him—said, “Even if you were to pray until your backs became bent like bows, and pray until you stood as motionless as stakes, and tears streamed from your eyes like rivers, you would still not attain what is with Allah except through genuine warʿ (scrupulous piety).”