. You claim that your clan is also descended from Abd Manaf is true but you must remember, as the history of the Arabs will convince you, that your ancestor, Ummayya was not equal to our ancestor, the famous Hashim, neither Harb, another ancestor of yours, was equal to our Abdul Muttalib who was the defender and the guardian of Makkah nor Abu Sufyan could claim himself equal to Abu Taalib
A reply to a letter of Mu'awiya.
After the conquest of Basra Imam Ali (a) wrote the following letter to the citizens of Kufa