They quoted from and referred to the Hebrew Scriptures hundreds of times in their writings and encouraged the people to whom they preached to do the same.
فَفِي كِتَابَاتِهِمْ ،‏ ٱقْتَبَسُوا مِنَ ٱلْأَسْفَارِ ٱلْعِبْرَانِيَّةِ وَأَشَارُوا إِلَيْهَا مِئَاتِ ٱلْمَرَّاتِ .‏