Imam Ja‘far al-Ṣadiq (as): Imam al-Sadiq (as), with regards to Allah's verse in the Qur'an: "Lower the wing of humility to them, out of mercy " said, 'Do not fill your eyes by looking at them other than with compassion and affection, and do not raise your voice over their voices, nor your hand over their hand, and do not walk in front of them.' al-Kāfī