Surah Ash-Shu'ara, Verse 180

وَمَآ أَسۡـَٔلُكُمۡ عَلَيۡهِ مِنۡ أَجۡرٍۖ إِنۡ أَجۡرِيَ إِلَّا عَلَىٰ رَبِّ ٱلۡعَٰلَمِينَ١٨٠

wamā asalukum ʿalayhi min ajrin in ajriya illā ʿalā rabbi l-ʿālamīna

And I do not ask you for it any payment. My payment is only from the Lord of the worlds.