The Source of Traditions on Imam al-Riḍā (Vol 1) · Hadith 311 (#Ḥadīth #16)

16 - حَدَّثَنا أَبي رَضِىَ اللهُ عَنْهُ قالَ: حَدَّثَنا سَعْدُ بْنُ عَبْدِ اللَّه، عَن مُحَمَّدِ بْنِ الحُسَيْنِ بْنِ أَبي الخَطَّابِ، عَن مُحَمَّدِ بْنِ الفُضَيْلِ، عَن أَبي الحَسَن الرِّضا a.sُ قالَ: الصَّلاةُ قُربانُ كُلِّ تَقيٍّ.

30-16 (The author of the book narrated) my father - may God be pleased with him - narrated that Sa’d ibn Abdullah quoted on the authority of Muhammad ibn Al-Hussein ibn Abil Khattab, on the authority of Muhammad ibn al-Fodhayl that Abil Hassan Al-Ridha (s) said, “Praying is the best means to approach God for any pious person.”

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