Surah Ali 'Imran 3:141

وَلِيُمَحِّصَ ٱللَّهُ ٱلَّذِينَ ءَامَنُوا۟ وَيَمْحَقَ ٱلْكَـٰفِرِينَ

And that Allāh may purify the believers [through trials] and destroy the disbelievers.

Translation: Saheeh International

Tafsir

And that God may prove the believers purifying them of sins through what befalls them and efface that is destroy the disbelievers.

Excerpt from Tafsir al-Jalalayn, commentary on 3:141, via Quran.com. The reader has the full commentary and 9 more tafsirs.