Surah Al-Ahzab 33:9

يَـٰٓأَيُّهَا ٱلَّذِينَ ءَامَنُوا۟ ٱذْكُرُوا۟ نِعْمَةَ ٱللَّهِ عَلَيْكُمْ إِذْ جَآءَتْكُمْ جُنُودٌ فَأَرْسَلْنَا عَلَيْهِمْ رِيحًا وَجُنُودًا لَّمْ تَرَوْهَا ۚ وَكَانَ ٱللَّهُ بِمَا تَعْمَلُونَ بَصِيرًا

O you who have believed, remember the favor of Allāh upon you when armies came to [attack] you and We sent upon them a wind and armies [of angels] you did not see. And ever is Allāh, of what you do, Seeing.

Translation: Saheeh International

Tafsir

O you who believe! Remember God’s favour to you when hosts of disbelievers came against you as confederates at the time the Ditch al-khandaq was being dug and We unleashed against them a great wind and hosts of angels you did not see. …

Excerpt from Tafsir al-Jalalayn, commentary on 33:9, via Quran.com. The reader has the full commentary and 9 more tafsirs.