Al Jinn Ayah 28

لِّيَعْلَمَ أَن قَدْ أَبْلَغُواْ رِسَـٰلَـٰتِ رَبِّهِمْ وَأَحَاطَ بِمَا لَدَيْهِمْ وَأَحْصَىٰ كُلَّ شَىْءٍ عَدَدَۢا ٢٨ to ensure that the messengers fully deliver the messages of their Lord—though He ?already? knows all about them, and keeps account of everything.”