Despite his background, what has helped Leo to conduct himself as a lesser one?
وَبَعْدَ فَتْرَةٍ ،‏ دَرَسَ هُوَ وَزَوْجَتُهُ ٱلْكِتَابَ ٱلْمُقَدَّسَ مَعَ شُهُودِ يَهْوَهَ ،‏ ٱعْتَنَقَا ٱلْحَقَّ ،‏ وَبَاتَا خَادِمَيْنِ مُنْتَذِرَيْنِ لِلهِ .‏