Surah Qaf 50:8
تَبْصِرَةً وَذِكْرَىٰ لِكُلِّ عَبْدٍ مُّنِيبٍ
Giving insight and a reminder for every servant who turns [to Allāh].
Translation: Saheeh International
Tafsir
as an insight tabsiratan is a direct object denoting reason that is to say We did this to give an insight from Us and a reminder for every penitent servant who returns to obedience of Us.
Excerpt from Tafsir al-Jalalayn, commentary on 50:8, via Quran.com. The reader has the full commentary and 9 more tafsirs.