Surah Ali 'Imran 3:4
مِن قَبْلُ هُدًى لِّلنَّاسِ وَأَنزَلَ ٱلْفُرْقَانَ ۗ إِنَّ ٱلَّذِينَ كَفَرُوا۟ بِـَٔايَـٰتِ ٱللَّهِ لَهُمْ عَذَابٌ شَدِيدٌ ۗ وَٱللَّهُ عَزِيزٌ ذُو ٱنتِقَامٍ
Before, as guidance for the people. And He revealed the Criterion [i.e., the Qur’ān]. Indeed, those who disbelieve in the verses of Allāh will have a severe punishment, and Allāh is Exalted in Might, the Owner of Retribution.
Translation: Saheeh International
Tafsir
before that is to say before revealing it the Qur’ān as guidance hudan a circumstantial qualifier meaning hādiyīn ‘guides from error’ to people to those who followed these two Books He uses the word anzala for the revelation of these two and nazzala for that of the Qur’ān for the latter entails repetition whereas the …
Excerpt from Tafsir al-Jalalayn, commentary on 3:4, via Quran.com. The reader has the full commentary and 9 more tafsirs.