The Book of Asceticism · Hadith 144 (#Ḥadīth #2)

الحسين بن علوان عن عمرو بن شمر عن جابر عن أبي جعفر عليه السلام قال: سألته عن موضع الملكين من الانسان قال: هاهنا واحد وهاهنا واحد يعنى عند شدقيه.

2.Al-Ḥusayn ibn ʿUlwān narrated from ʿAmr ibn Shimr, from Jābir, from Abū Jaʿfar saying, “I (Jābir) asked him (the Imam) about the position of the two angels in relation to the human being, so he said, ‘One is here and the other is here,’ meaning on the two sides of his mouth.”

Gradings are classical jarḥ-wa-taʿdīl, name-matched to a rijāl index (not individually re-verified).