This narration was recorded by the learned Scholar, Al-Husayn ibn Muhammad ibn Ali al-Jali (may Allah sanctify him), in his book titled Hawi al-Asrar (The Collector of Secrets), saying: From the book translated as The Praised and the Censured, on the authority of Al-Mufaddal, who said: I engaged in a temporary marriage (mut'ah) with a woman, and Abu Abdallah al-Sadiq sent for me before I had washed. When he saw me, he stood up and began informing me of the need for which he had summoned me. He began extending his hand over my neck, and I became as if I were averse to sticking to him, while I was in that state of impurity. When he saw me in that state of shame, he said to me: "Why is that?" I said: "I am in a state of ritual impurity (janub)." He said to me: "O Mufaddal, do you not know that the believer does not become impure as long as faith is in his heart? The believer is pure and purified; he does not become impure." I said: "Is it not obligatory for him to wash with water?" He said: "Do you not know that the one you had relations with is a Maskh (a transformed/censured being)?" I said: "Yes." He said: "For that reason, washing is obligatory because of it. As for the believer, he does not become impure—meaning, no doubt regarding his religion attaches to him."

Abu al-Layth al-Kattani also mentioned regarding this: One day, Abu Basir al-Thaqafi entered upon Abu Abdallah [Imam al-Sadiq]. When the Imam looked at him, he said: "Do you not know that it is