Surah Al-Qasas 28:17

قَالَ رَبِّ بِمَآ أَنْعَمْتَ عَلَىَّ فَلَنْ أَكُونَ ظَهِيرًا لِّلْمُجْرِمِينَ

He said, "My Lord, for the favor You bestowed upon me, I will never be an assistant to the criminals."

Translation: Saheeh International

Tafsir

He said ‘My Lord forasmuch as You have been gracious to me with forgiveness protect me so I will never be a partisan a supporter of the criminals’ the disbelievers henceforth if you were to protect me.

Excerpt from Tafsir al-Jalalayn, commentary on 28:17, via Quran.com. The reader has the full commentary and 9 more tafsirs.