Muhammad bin al-Hasan bin Abi Yazid محمد بن الحسن بن أبي يزيد الهمداني · The Book on Faith

that he heard the Messenger of Allah (ﷺ) say: "Whoever is pleased with Allah as (his) Lord, and Islam as (his) religion, and Muhammad as (his) Prophet, then he has tasted the sweetness of faith."