The Prophet ﷺ said, "By Allah, for Allah to guide a single man through you is better for you than red camels."
حدثنا سعيد بن منصور حدثنا عبد العزيز بن أبي حازم عن أبيه
عن النبي ﷺ قال والله لأن يهدي الله بهداك رجلا واحدا خير لك من حمر النعم
Bukhari narrated it, Merits of the Companions of the Prophet ﷺ, chapter on the merits of Ali bin Abu Talib the Qurashi, etc., hadith no. 3701, and Muslim, Merits of the Companions, chapter on the merits of Ali bin Abu Talib , hadith no. 2406, from the hadith of Abdul-Aziz bin Abu Hazim, at length.