1678—Muhammad ibn Abd al-Rahman informed us: Yahya ibn Muhammad ibn Sa'id informed us; al-Husayn ibn al-Hasan informed us; Ibn al-Mubarak informed us; Burayd ibn ⦗1000⦘ Abd Allah informed us, from his grandfather Abu Burdah, from Abu Musa, that the Prophet, peace and blessings be upon him, said: “A believer to another believer is like a building: each part strengthens the other.”