Al-Kāfi
Hadith 9816ـ أَبُو دَاوُدَ عَنِ الْحُسَيْنِ بْنِ سَعِيدٍ عَنْ مُحَمَّدِ بْنِ الْفُضَيْلِ عَنْ أَبِي الْحَسَنِ الرِّضَا (عَلَيْهِ الْسَّلام) قَالَ الصَّلاَةُ قُرْبَانُ كُلِّ تَقِيٍّ.
6. Abu Dawud has narrated from al-Husayn ibn Sa’id from Muhammad ibn al-Fudayl who has said the following: “Abu al-Hassan al-Rida (a.s.), has said, ‘Salah (prayer) is a means for every pious person to getting nearer to Allah.’”