21:38

Al-Anbiyaa 21:38

وَيَقُولُونَ مَتَىٰ هَٰذَا ٱلْوَعْدُ إِن كُنتُمْ صَٰدِقِينَ

Wa yaqooloona mataa haazal wa'du in kuntum saadiqeen

And they say: When will this threat come to pass if you are truthful?