[1/1548] al-Kafi: Muhammad b. Yahya from Ahmad b. Muhammad b. Isa from al-Hasan b. Mahbub from Anbasa al-A’bid who said:

Abu Abdillah عليه السلام said: If you are not one who can cry outrightly (i.e. when reciting the Qur’an and in supplication) then make like you are crying (i.e. force yourself)