عَنِ الْعَوَّامِ بْنِ حَوْشَبٍ قَالَ: سَأَلْتُ مُجَاهِدًا عَنِ السَّجْدَةِ الَّتِي فِي ص، فَقَالَ نَعَمْ، سَأَلْتُ عَنْهَا ابْنَ عَبَّاسٍ رَضِيَ اللَّهُ عَنْهُ فَقَالَ أَتَقْرَأُ هَٰذِهِ الْآيَةَ؟ (وَمِنْ ذُرِّيَّتِهِ دَاوُدَ وَسُلَيْمَانَ) وَفِي آخِرِهَا (فَبِهُدَاهُمُ اقْتَدِهْ) قَالَ أُمِرَ نَبِيُّكُمْ صَلَّى اللَّهُ عَلَيْهِ وَآلِهِ وَسَلَّمَ أَنْ يَقْتَدِيَ بِدَاوُدَ
Awwam bin Hawshab says: I asked Mujahid about the prostration (sajdah) in Surah Sad. He replied: Yes, it is a prostration. And I had asked about it from Sayyiduna Abdullah bin Abbas (may Allah be pleased with him), so he said: Do you recite this verse: {وَمِنْ ذُرِّیَّتِہٖ دَاودَ وَ سُلَیمَانَ}, at the end of which is: {فَبِہُدَاہُمُ اقْتَدِہْ} (O Muhammad! You too follow their guidance). See, your Prophet has been commanded to follow Dawud (peace be upon him).