﴿ وَمَا تَفَرَّقَ ٱلَّذِينَ أُوتُوا۟ ٱلْكِتَٰبَ إِلَّا مِنۢ بَعْدِ مَا جَآءَتْهُمُ ٱلْبَيِّنَةُ ﴾

“Now those who have been vouchsafed revelation aforetime did break up their unity [of faith] after such an evidence of the truth had come to them.”

(Nor were the People of the Scripture divided) those who were given the Torah, i.e. Ka'b Ibn al-Ashraf and his host, did not differ about Muhammad (pbuh) the Qur'an and Islam (until after the clear proof came unto them) until the clarification of what is in their Scripture regarding the traits and description of Muhammad (pbuh) came to them.