The Sufficient (Vol 2) · Hadith 1174 (#Ḥadīth #10)

10ـ مُحَمَّدُ بْنُ يَحْيَى عَنْ أَحْمَدَ بْنِ مُحَمَّدٍ عَنْ مُحَمَّدِ بْنِ سِنَانٍ عَنِ ابْنِ مُسْكَانَ عَنِ الْحَسَنِ الصَّيْقَلِ قَالَ قَالَ أَبُو عَبْدِ الله (عَلَيهِ السَّلام) إِنَّ الْفُحْشَ وَالْبَذَاءَ وَالسَّلاطَةَ مِنَ النِّفَاقِ.

10. Muhammad ibn Yahya has narrated from Ahmad ibn Muhammad from Muhammad ibn Sinan from ibn Muskan from al-Hassan al-Sayqal who has said the following: “Abu ‘Abd Allah has said, abusive, foul language and a sharp tongue is hypocrisy.’”

Gradings are classical jarḥ-wa-taʿdīl, name-matched to a rijāl index (not individually re-verified).