21وَما كانَ لَهُ عَلَيهِم مِن سُلطانٍ إِلّا لِنَعلَمَ مَن يُؤمِنُ بِالآخِرَةِ مِمَّن هُوَ مِنها في شَكٍّ ۗ وَرَبُّكَ عَلىٰ كُلِّ شَيءٍ حَفيظٌQaribullah & DarwishYet he had no authority over them except that We would know who believed in the Everlasting Life, from he who doubted. Your Lord is the Watcher over all things.