Surah Al-Baqarah 2:111

وَقَالُوا۟ لَن يَدْخُلَ ٱلْجَنَّةَ إِلَّا مَن كَانَ هُودًا أَوْ نَصَـٰرَىٰ ۗ تِلْكَ أَمَانِيُّهُمْ ۗ قُلْ هَاتُوا۟ بُرْهَـٰنَكُمْ إِن كُنتُمْ صَـٰدِقِينَ

And they say, "None will enter Paradise except one who is a Jew or a Christian." That is [merely] their wishful thinking. Say, "Produce your proof, if you should be truthful."

Translation: Saheeh International

Tafsir

And they say ‘None shall enter Paradise except those who are Jews hūd is the plural of hā’id or Christians’ this is what the Jews of Medina and the Christians of Najrān said when they disputed with the Prophet s each party separately claiming Paradise for its members exclusively. …

Excerpt from Tafsir al-Jalalayn, commentary on 2:111, via Quran.com. The reader has the full commentary and 9 more tafsirs.