Speaking During Salah (Prayer), or Turning Away Before Completion

3. A number of our people have narrated from Ahmad ibn Muhammad al-Barqiy from Mansur ibn al-‘Abbas from ‘Amr ibn Sa‘id from al-Hassan ibn Sadaqah who has said the following: “I once asked abu al-Hassan al-Awwal عليه السلام, ‘Did the Messenger of Allah say Salam (the phrase of offering greeting of peace) in the first two Rak‘at while his status was as it was? He (the Imam) said, ‘Yes; Allah, most Majestic, most Glorious, willed to give them (people) proper understanding?”