Surah Al-Baqara Verse 76 - English Translation by A. J. Arberry
Surah Al-Baqaraوَإِذَا لَقُواْ ٱلَّذِينَ ءَامَنُواْ قَالُوٓاْ ءَامَنَّا وَإِذَا خَلَا بَعۡضُهُمۡ إِلَىٰ بَعۡضٖ قَالُوٓاْ أَتُحَدِّثُونَهُم بِمَا فَتَحَ ٱللَّهُ عَلَيۡكُمۡ لِيُحَآجُّوكُم بِهِۦ عِندَ رَبِّكُمۡۚ أَفَلَا تَعۡقِلُونَ
And when they meet those who believe, they say 'We believe'; and when they go privily one to another, they say, 'Do you speak to them of what God has revealed to you, that they may thereby dispute with you before your Lord? Have you no understanding