وَقَالُوۡا لَنۡ يَّدۡخُلَ الۡجَـنَّةَ اِلَّا مَنۡ كَانَ هُوۡدًا اَوۡ نَصٰرٰى​ؕ تِلۡكَ اَمَانِيُّهُمۡ​ؕ قُلۡ هَاتُوۡا بُرۡهَانَکُمۡ اِنۡ کُنۡتُمۡ صٰدِقِيۡنَ‏ ﴿2:111﴾ بَلٰى مَنۡ اَسۡلَمَ وَجۡهَهٗ لِلّٰهِ وَهُوَ مُحۡسِنٌ فَلَهٗۤ اَجۡرُهٗ عِنۡدَ رَبِّهٖ وَلَا خَوۡفٌ عَلَيۡهِمۡ وَلَا هُمۡ يَحۡزَنُوۡنَ‏ ﴿2:112﴾

(2:111) They say: “None shall enter the Garden unless he be a Jew or (according to the Christians), a Christian.” These are their vain desires.¹¹² Say: “Bring your proof if you are speaking the truth.” (2:112) (None has any special claim upon reward from Allah.) Whoever submits himself completely to the obedience of Allah and does good will find his reward with his Lord. No fear shall come upon them, nor shall they grieve. 

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Notes

112. That is, all this is merely wishful thinking, even though they express thoughts as if they were really going to happen.