The Sufficient (Vol 2) · Hadith 1645 (#Ḥadīth #3)
Chapter 9 | Praying Attentively
3ـ مُحَمَّدُ بْنُ يَحْيَى عَنْ أَحْمَدَ بْنِ مُحَمَّدِ بْنِ عِيسَى عَنْ بَعْضِ أَصْحَابِهِ عَنْ سَيْفِ بْنِ عَمِيرَةَ عَنْ سُلَيْمٍ الْفَرَّاءِ عَمَّنْ ذَكَرَهُ عَنْ أَبِي عَبْدِ الله (عَلَيهِ السَّلام) قَالَ إِذَا دَعَوْتَ فَأَقْبِلْ بِقَلْبِكَ وَظُنَّ حَاجَتَكَ بِالْبَابِ.
3. Muhammad ibn Yahya has narrated from Ahmad ibn Muhammad ibn ‘Isa from certain individuals of his people from Sayf ibn ‘Amirah from Sulaym al-Farra’ from those whom he has mentioned (in his book) from Abu ‘Abdillah who has said the following: “Abu ‘Abd Allah has said, ‘Whenever you pray and plead before Allah for help, do it whole-heartedly and consider that what you have asked for has arrived at the door.’”
Gradings are classical jarḥ-wa-taʿdīl, name-matched to a rijāl index (not individually re-verified).