Chapter on the Manner of Prayer, Explanation of the Fifty-One Rak‘ahs; The Order, Recitation, Tasbih in Bowing and Prostration, Qunut, and What is Obligatory and Recommended Therein

And from him, from Ali ibn Ibrahim, from his father, from Hammad ibn ‘Isa, from Hariz, from Zurarah, who said: Abu Ja‘far عليه السلام said: “Do not forget the two obligations,” or Imam عليه السلام said: “It is upon you to observe the two obligations after every prayer.” I asked: “And what are the two obligations?” Imam عليه السلام said: “You ask Allah سبحانه وتعالى for Paradise and you seek refuge in Allah سبحانه وتعالى from the Fire.”