He readjusted the thinking and conduct of first - century Christians by means of faithful undershepherds, some of whom were inspired to write letters to the congregations.
كَمَا أَنَّهُ ٱسْتَخْدَمَ هؤُلَاءِ ٱلنُّظَّارَ ٱلْمُعَيَّنِينَ بِٱلرُّوحِ لِتَوْجِيهِ وَتَقْوِيَةِ ٱلْمَسِيحِيِّينَ ٱلْأَوَّلِينَ .‏ —‏ ١ كورنثوس ١٦ :‏ ​ ١٥ -‏ ١٨ ؛‏ ٢ تيموثاوس ٢ :‏ ٢ ؛‏ تيطس ١ :‏ ٥‏ .‏