Surah Ali'Imran, Verse 126

وَمَا جَعَلَهُ ٱللَّهُ إِلَّا بُشۡرَىٰ لَكُمۡ وَلِتَطۡمَئِنَّ قُلُوبُكُم بِهِۦۗ وَمَا ٱلنَّصۡرُ إِلَّا مِنۡ عِندِ ٱللَّهِ ٱلۡعَزِيزِ ٱلۡحَكِيمِ١٢٦

wamā jaʿalahu l-lahu illā bush'rā lakum walitaṭma-inna qulūbukum bihi wamā l-naṣru illā min ʿindi l-lahi l-ʿazīzi l-ḥakīmi

And Allāh made it not except as [a sign of] good tidings for you and to reassure your hearts thereby. And victory is not except from Allāh, the Exalted in Might, the Wise -