Surah Al-Kahf 18:13

نَّحْنُ نَقُصُّ عَلَيْكَ نَبَأَهُم بِٱلْحَقِّ ۚ إِنَّهُمْ فِتْيَةٌ ءَامَنُوا۟ بِرَبِّهِمْ وَزِدْنَـٰهُمْ هُدًى

It is We who relate to you, [O Muḥammad], their story in truth. Indeed, they were youths who believed in their Lord, and We increased them in guidance.

Translation: Saheeh International

Tafsir

We relate recite to you their story with truth that is truthfully. They were indeed youths who believed in their Lord and We increased them in guidance.

Excerpt from Tafsir al-Jalalayn, commentary on 18:13, via Quran.com. The reader has the full commentary and 9 more tafsirs.