Al-Kāfi
Hadith 141212ـ مُحَمَّدُ بْنُ يَحْيَى عَنْ مُحَمَّدِ بْنِ الْحُسَيْنِ عَنْ صَفْوَانَ عَنِ الْعَلاَءِ عَنْ مُحَمَّدِ بْنِ مُسْلِمٍ عَنْ أَبِي جَعْفَرٍ (عَلَيْهِ الْسَّلام) قَالَ سَأَلْتُهُ عَنِ الرَّجُلِ يَلْتَفِتُ فِي الصَّلاَةِ قَالَ لاَ وَلاَ يَنْقُضُ أَصَابِعَهُ.
12. Muhammad ibn Yahya has narrated from Muhammad ibn al-Husayn from Safwan from al-‘Ala’ from Muhammad ibn Muslim who has said the following: “I once asked abu Ja‘far (a.s.), if a man in Salah (prayer) can turn around. He (the Imam) said, ‘No, and he must not crack his fingers also.’”