Surah Al-Imran, ayah 123

3:123

وَلَقَدۡ نَصَرَكُمُ ٱللَّهُ بِبَدۡرٖ وَأَنتُمۡ أَذِلَّةٞۖ فَٱتَّقُواْ ٱللَّهَ لَعَلَّكُمۡ تَشۡكُرُونَ ١٢٣

Walaqad nasarakumullāhu bibadrin wa antum adhillatun fattaqullāha la'allakum tashkurūn

And already had Allāh given you victory at [the battle of] Badr while you were weak [i.e., few in number]. Then fear Allāh; perhaps you will be grateful.