They learn firsthand that zealously seeking first the Kingdom brings true happiness and great satisfaction.
١١ أَيُّ رِوَايَةٍ فِي ٱلْكِتَابِ ٱلْمُقَدَّسِ تُبْرِزُ أَهَمِّيَّةَ خِدْمَةِ يَهْوَه بِغَيْرَةٍ وَمِنْ كُلِّ ٱلْقَلْبِ ؟‏