Because he kept studying “the sacred books ” in his mother tongue, he maintained his spiritual health while living in a foreign land.
(‏ دا ٩ :‏ ٢‏ )‏ حَتَّى بَعْدَ ٧٠ سَنَةً تَقْرِيبًا فِي بَابِلَ ،‏ كَانَ لَا يَزَالُ مَعْرُوفًا بِٱسْمِهِ ٱلْعِبْرَانِيِّ .‏ —‏ دا ٥ :‏ ١٣‏ .‏