Surah Ash-Shu'ara 26:109

وَمَآ أَسْـَٔلُكُمْ عَلَيْهِ مِنْ أَجْرٍ ۖ إِنْ أَجْرِىَ إِلَّا عَلَىٰ رَبِّ ٱلْعَـٰلَمِينَ

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

Translation: Saheeh International

Tafsir

I do not ask of you any reward for it for delivering it; for my reward lies only with the Lord of the Worlds.

Excerpt from Tafsir al-Jalalayn, commentary on 26:109, via Quran.com. The reader has the full commentary and 9 more tafsirs.