your lord is allforgiving full of mercy. had he wished to take them to task for their doings he would have hastened in sending his scourge upon them. but he has set for them a timelimit which they cannot evade.
وربك الغفور ذو الرحمة لو يؤاخذهم بما كسبوا لعجل لهم العذاب بل لهم موعد لن يجدوا من دونه موئلا