Sura 34 Sheba, ayah 29

1. وَيَقُولُونَ مَتَىٰ هَٰذَا الْوَعْدُ إِنْ كُنْتُمْ صَادِقِينَ

   And they say, "When is this promise, if you should be truthful?"

   34:29

Translation: Saheeh International