وَاِنۡ اَدۡرِىۡ لَعَلَّهٗ فِتۡنَةٌ لَّـكُمۡ وَمَتَاعٌ اِلٰى حِيۡنٍ
And I do not know that this (delaying of the torment and the respite given to you) may perhaps be a trial for you and the intention may be to provide (you) a benefit till a fixed time.’