The Sufficient (Vol 2) · Hadith 1528 (#Ḥadīth #10)
Chapter 192 | Pleading for Forgiveness
10ـ مُحَمَّدُ بْنُ يَحْيَى عَنْ أَحْمَدَ بْنِ مُحَمَّدِ بْنِ عِيسَى عَنْ مُحَمَّدِ بْنِ سِنَانٍ عَنْ عَمَّارِ بْنِ مَرْوَانَ قَالَ قَالَ أَبُو عَبْدِ الله (عَلَيهِ السَّلام) مَنْ قَالَ أَسْتَغْفِرُ الله مِائَةَ مَرَّةٍ فِي كُلِّ يَوْمٍ غَفَرَ الله عَزَّ وَجَلَّ لَهُ سَبْعَمِائَةِ ذَنْبٍ وَلا خَيْرَ فِي عَبْدٍ يُذْنِبُ فِي كُلِّ يَوْمٍ سَبْعَمِائَةِ ذَنْبٍ.
10. Muhammad ibn Yahya has narrated from Ahmad ibn Muhammad ibn ‘Isa from Muhammad ibn Sinan from ‘Ammar ibn Marwan who has said the following: “Abu ‘Abd Allah has said, ‘If one says, “I plead for forgiveness before Allah” one hundred times every day, Allah, the Most Majestic, the Most Holy, will forgive his seven hundred sins, but there is nothing good in a servant (of Allah) who commits seven hundred sins a day.’”
Gradings are classical jarḥ-wa-taʿdīl, name-matched to a rijāl index (not individually re-verified).