The common, or Koine, Greek language helped to promote good communication and unity among the Christian congregations.
وَمَاذَا ٱسْتَخْدَمَ ٱلْمَسِيحِيُّونَ فِي ٱلْقَرْنِ ٱلْأَوَّلِ لِتَعْلِيمِ حَقَائِقِ ٱلْأَسْفَارِ ٱلْمُقَدَّسَةِ ؟‏