طَاعَةٌ وَقَوْلٌ مَّعْرُوفٌ ۚ فَإِذَا عَزَمَ ٱلْأَمْرُ فَلَوْ صَدَقُوا۟ ٱللَّهَ لَكَانَ خَيْرًا لَّهُمْ
Obedience and upright speech.... So when the matter has been resolved upon [concerning going to war], if they remain true to Allah that will surely be better for them.