36:48
وَيَقُولُونَ مَتَىٰ هَـٰذَا ٱلْوَعْدُ إِن كُنتُمْ صَـٰدِقِينَ
wayaqūlūna matā hādhā l-waʿdu in kuntum ṣādiqīna
And they say, ‘When will this promise be fulfilled, if what you say is true?’
And they say: "When will this promise (i.e. Resurrection) be fulfilled, if you are truthful?"