وَلَقَد نَصَرَكُمُ اللَّهُ بِبَدرٍ وَأَنتُم أَذِلَّةٌ ۖ فَاتَّقُوا اللَّهَ لَعَلَّكُم تَشكُرونَ

God had already granted you victory at Badr when you were outnumbered. So, remember God, so you may be grateful.