Chapter on the Detailed Explanation of Prayer, Including the Obligatory and Recommended, and What is Permissible and Not Permissible.

Muhammad ibn Ya’qub narrated from Muhammad ibn Yahya, from Ahmad ibn Muhammad ibn Yahya, from Ahmad ibn Muhammad, from al-Husayn ibn Sa’id, from al-Qasim ibn Muhammad, from Ali ibn Abi Hamzah, from Abu Basir, from Abu Ja’far عليه السلام, who said: I said to Him عليه السلام: “We commonly say that whoever prays while sitting without an excuse, his prayer counts as two rak’ahs for one, and two prostrations for one.” Imam عليه السلام said: "It is not like that, it is complete for you."