The Holy Quran 98:4 — Surah Al-Bayyinah
Arabic text
وَمَا تَفَرَّقَ ٱلَّذِينَ أُوتُوا۟ ٱلْكِتَـٰبَ إِلَّا مِنۢ بَعْدِ مَا جَآءَتْهُمُ ٱلْبَيِّنَةُ
Translation
(However, although the Ahlul Kitaab were informed about the coming of Rasulullaah and professed that they would follow him when he arrived,) Those who were given the scripture (the Ahlul Kitaab) divided (into Mu'mineen and Kuffaar) only after the clear sign (Rasulullaah ﷺ) had come to them. (Those who accepted Islaam became Mu'mineen, while the rest were Kuffaar.)
Tafsir (excerpt) — Tafsir Usmani
The division of the People of the Book: that is, after the coming of this Messenger and this Book no doubt remained. So now the People of the Book oppose out of obstinacy, not out of doubt. That is why they split into two groups: whoever was obstinate remained a denier, and whoever was fair-minded came to believe.
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