6. My father said: Sa`d ibn `Abd Allah said: Ahmad ibn Muhammad ibn Abu Nasr on the authority of Abu al-Hasan al-Mausili, on the authority of Abu `abd Allah that

A rabbi came to the Commander of the Faithful and asked: “O Commander of Faithful! Do you see your Lord when you serve Him?” Thus, he replied: “Woe unto you! I do not serve a Lord that I cannot see.” The rabbi asked: “How do you see Him?” He responded: “Woe unto you! The eyes do not perceive Him through vision but the hearts see Him through certainty of faith.”