ثُمَّ نُكِسُوا عَلَى رُوُوسِهِمْThen they turned to themselves,means, they looked at the ground, and said:لَقَدْ عَلِمْتَ مَا هَوُلَاء يَنطِقُونَIndeed you (Ibrahim) know well that these speak not!Qatadah said:"The people admitted their guilt and confusion, and said, لَقَدْ عَلِمْتَ مَا هَوُلَاء يَنطِقُونَ ("Indeed you know well that these speak not!") `So how can you tell us to ask them, if they cannot speak and you know that they cannot speak.' At this point, when they admitted that, Ibrahim said to them:قَالَ أَفَتَعْبُدُونَ مِن دُونِ اللَّهِ مَا لَاا يَنفَعُكُمْ شَيْيًا وَلَاا يَضُرُّكُمْ