Surah Saba, Verse 47

قُلۡ مَا سَأَلۡتُكُم مِّنۡ أَجۡرٖ فَهُوَ لَكُمۡۖ إِنۡ أَجۡرِيَ إِلَّا عَلَى ٱللَّهِۖ وَهُوَ عَلَىٰ كُلِّ شَيۡءٖ شَهِيدٞ٤٧

qul mā sa-altukum min ajrin fahuwa lakum in ajriya illā ʿalā l-lahi wahuwa ʿalā kulli shayin shahīdun

Say, "Whatever payment I might have asked of you - it is yours. My payment is only from Allāh, and He is, over all things, Witness."