إِشَعْيَاءَ 33:19

ٱلشَّعْبَ ٱلشَّرِسَ لَا تَرَى. ٱلشَّعْبَ ٱلْغَامِضَ ٱللُّغَةِ عَنِ ٱلْإِدْرَاكِ، ٱلْعَيِيَّ بِلِسَانٍ لَا يُفْهَمُ.

Thou shalt not see a fierce people, a people of a deeper speech than thou canst perceive; of a stammering tongue, that thou canst not understand.