allah was much pleased with the believers when they swore fealty to you under the tree. he knew what was in their hearts. so he bestowed inner peace upon them and rewarded them with a victory near at hand
لقد رضي الله عن المؤمنين إذ يبايعونك تحت الشجرة فعلم ما في قلوبهم فأنزل السكينة عليهم وأثابهم فتحا قريبا