He said: And al-Rida (as) said: Whoever does not know how to expiate his sins should increase in sending blessings upon Muhammad and his Family, for this thoroughly destroys sins.
8 - قال: وقال الرضا (عليه السلام): من لم يقدر على ما يكفر به ذنوبه فليكثر من الصلاة على محمد وآله، فإنها تهدم الذنوب هدما (9).