حَدَّثَنَا مُحَمَّدٌ، حَدَّثَنَا سَهْلُ بْنُ يُوسُفَ، قَالَ سَمِعْتُ الْعَوَّامَ، عَنْ مُجَاهِدٍ، قَالَ قُلْتُ لاِبْنِ عَبَّاسٍ أَسْجُدُ فِي ‏{‏ص‏}‏ فَقَرَأَ ‏{‏وَمِنْ ذُرِّيَّتِهِ دَاوُدَ وَسُلَيْمَانَ‏}‏ حَتَّى أَتَى ‏{‏فَبِهُدَاهُمُ اقْتَدِهْ‏}‏ فَقَالَ نَبِيُّكُمْ صلى الله عليه وسلم مِمَّنْ أُمِرَ أَنْ يَقْتَدِيَ بِهِمْ‏.‏

Narrated Mujahid:

I asked Ibn `Abbas, “Should we perform a prostration on reciting Surat-Sa`d?” He recited (the Sura) including: ‘And among his progeny, David, Solomon..(up to)…so follow their guidance (6.84-91) And then he said, “Your Prophet is amongst those people who have been ordered to follow them (i.e. the preceding apostles).