They will need to reject previously held false religious ideas and to abandon their former way of life.
وَيَجِبُ أَنْ يَتَعَلَّمُوا لُبْسَ ٱلشَّخْصِيَّةِ ٱلْجَدِيدَةِ ٱلَّتِي تُمَيِّزُ ٱلْمَسِيحِيِّينَ ٱلْحَقِيقِيِّينَ .‏