“By Allah, Ja‘far ibn Muhammad, ‘Alayhim al-Salam, said to me that Allah taught Tamil and Taw’il (what was revealed and what it meant) to the Messenger of Allah, O Allah, grant compensation to Muhammad and his family worthy of their services to Your cause, who taught it to Ali (a.s.).’ He (the Imam) said, ‘He by Allah taught to us. Thus, if you do certain things or take an oath and swear because of taqiyah (fear), then you are not under constraint.’”