Surah Muhammad 47:7
يَـٰٓأَيُّهَا ٱلَّذِينَ ءَامَنُوٓا۟ إِن تَنصُرُوا۟ ٱللَّهَ يَنصُرْكُمْ وَيُثَبِّتْ أَقْدَامَكُمْ
O you who have believed, if you support Allāh, He will support you and plant firmly your feet.
Translation: Saheeh International
Tafsir
O you who believe! If you help God that is to say His religion and His Messenger He will help you against your enemy and make your foothold firm He will make you stand firm while you fight on the battleground.
Excerpt from Tafsir al-Jalalayn, commentary on 47:7, via Quran.com. The reader has the full commentary and 9 more tafsirs.