They had grown spiritually, even though the missionary had no idea of the change that had taken place.
لَقَدْ نَمَيَا رُوحِيًّا دُونَ أَنْ يَعْلَمَ ٱلْمُرْسَلُ بِٱلتَّغْيِيرِ ٱلْجَارِي فِي قُلُوبِهِمَا .‏