21.الْأَنْبِيَآء

وَيَقُوۡلُوۡنَ مَتٰى هٰذَا الۡوَعۡدُ اِنۡ كُنۡتُمۡ صٰدِقِيۡنَ‏

And they say: ‘When will this promise (of torment) be (fulfilled) if you are truthful?’