إِنَّ ٱللَّهَ يُحِبُّ ٱلَّذِينَ يُقَٰتِلُونَ فِى سَبِيلِهِۦ صَفًّا كَأَنَّهُم بُنْيَٰنٌ مَّرْصُوصٌ

Surely Allah loves those who fight in His way in ranks as if they were a firm and compact wall.