During his first visit to Jerusalem, Nehemiah had all the older men sign a written agreement pledging that they would not marry pagans.
فَأَوْلَادُ تِلْكَ ٱلنِّسَاءِ لَمْ يَعْرِفُوا قِرَاءَةَ ٱللُّغَةِ ٱلْعِبْرَانِيَّةِ أَوِ ٱلتَّكَلُّمَ بِهَا .‏