15:8
مَا نُنَزِّلُ الْمَلٰٓئِكَةَ اِلَّا بِالْحَقِّ وَمَا كَانُٓوا اِذًا مُنْظَرٖینَ
Ma nunazzilu almalaikata illa bialhaqqi wama kanoo ithan munthareena
Translations
We do not send down the angels except with truth; and the disbelievers would not then be reprieved
Saheeh International
We send not down the angels save with the Fact, and in that case (the disbelievers) would not be tolerated
Marmaduke Pickthall