Verse 29

قُلْ هُوَ ٱلرَّحْمَـٰنُ ءَامَنَّا بِهِۦ وَعَلَيْهِ تَوَكَّلْنَا فَسَتَعْلَمُونَ مَنْ هُوَ فِى ضَلَـٰلٍ مُّبِينٍ

Say, He is The All Gracious, we have faith in Him, and in Him we trust. You will soon find out who is in manifest straying.