وَاِذۡ قَالُوا اللّٰهُمَّ اِنۡ كَانَ هٰذَا هُوَ الۡحَـقَّ مِنۡ عِنۡدِكَ فَاَمۡطِرۡ عَلَيۡنَا حِجَارَةً مِّنَ السَّمَآءِ اَوِ ائۡتِنَا بِعَذَابٍ اَلِيۡمٍ
And when they said (sarcastically): ‘O Allah! If this (Qur’an) is really the Truth from Your side, then rain down upon us stones from the sky (for disobeying it) or seize us with some grievous torment.’