Diligent study of the Scriptures, regular attendance at meetings for worship, and zealous activity in the Kingdom - preaching work were essential.
كَانَ ٱلْجُهْدُ ٱلشَّخْصِيُّ مَطْلُوبًا مِنْ كُلِّ مَسِيحِيٍّ كَيْ يَنْمُوَ رُوحِيًّا .‏