NASAI-KUBRA 10032:
from Abīh Samiʿah from ʿUmar b. Abū Salamah —
“I was a boy in the care of the Prophet ﷺ and my hand used to wander all over the plate. He said to me: ‘O boy! Say the Name of Allah, eat with your right hand, and eat from what is in front of you.’” (Using translation from Ibn Mājah 3267)
الكبرى للنسائي ١٠٠٣٢:
عن ابيه سمعه عن عمر بن ابو سلمه —
كُنْتُ غُلَامًا فِي حِجْرِ رَسُولِ اللهِ ﷺ وَكَانَتْ يَدِي تَطِيشُ فِي الصَّحْفَةِ فَقَالَ لِي رَسُولُ اللهِ ﷺ «يَا غُلَامُ سَمِّ اللهَ وَكُلْ بِيَمِينِكَ وَكُلْ مِمَّا يَلِيكَ»