4:73
وَلَئِنْ أَصَـٰبَكُمْ فَضْلٌ مِّنَ ٱللَّهِ لَيَقُولَنَّ كَأَن لَّمْ تَكُنۢ بَيْنَكُمْ وَبَيْنَهُۥ مَوَدَّةٌ يَـٰلَيْتَنِى كُنتُ مَعَهُمْ فَأَفُوزَ فَوْزًا عَظِيمًا
wala-in aṣābakum faḍlun mina l-lahi layaqūlanna ka-an lam takun baynakum wabaynahu mawaddatun yālaytanī kuntu maʿahum fa-afūza fawzan ʿaẓīman
yet he is sure to say, if you are favoured by God, ‘If only I had been with them, I could have made great gains,’ as if there had been no ties of affection between you and him.
But if a bounty (victory and booty) comes to you from Allâh, he would surely say - as if there had never been ties of affection between you and him - "Oh! I wish I had been with them; then I would have achieved a great success (a good share of booty)."