Surah An-Nahl 16:64

وَمَآ أَنزَلْنَا عَلَيْكَ ٱلْكِتَـٰبَ إِلَّا لِتُبَيِّنَ لَهُمُ ٱلَّذِى ٱخْتَلَفُوا۟ فِيهِ ۙ وَهُدًى وَرَحْمَةً لِّقَوْمٍ يُؤْمِنُونَ

And We have not revealed to you the Book, [O Muḥammad], except for you to make clear to them that wherein they have differed and as guidance and mercy for a people who believe.

Translation: Saheeh International

Tafsir

And We have not revealed to you O Muhammad (s) the Book the Qur’ān except for the purpose that you may make clear to them to mankind that wherein they differ in the matter of religion and as a guidance wa-hudan is a supplement to wa-li-tubayyina ‘and that you may make clear’ and as a mercy for a people who believe in …

Excerpt from Tafsir al-Jalalayn, commentary on 16:64, via Quran.com. The reader has the full commentary and 9 more tafsirs.