وَلَوْ نَشَآءُ لَأَرَيْنَـٰكَهُمْ فَلَعَرَفْتَهُم بِسِيمَـٰهُمْ ۚ وَلَتَعْرِفَنَّهُمْ فِى لَحْنِ ٱلْقَوْلِ ۚ وَٱللَّهُ يَعْلَمُ أَعْمَـٰلَكُمْ
Wa law nashaaa'u la-arainaakahum fala 'araftahum bi seemaahum; wa lata'rifan nahum fee lahnil qawl; wallaahu ya'lamu a'maalakum
We could even point them out to you [Prophet] if We wished, and then you could identify them by their marks, but you will know them anyway by the tone of their speech. God knows everything you [people] do.
Had we willed, we would have shown them to you, and you would know them by their marks. But you will surely know them by the tone of their speech. And God knows your deeds.