Those who have deprived themselves of this Resurrection by reason of their mutual hatreds or by regarding themselves to be in the right and others in the wrong, were chastised on the Day of Resurrection by reason of such hatreds evinced during their night. Thus they deprived themselves of beholding the countenance of God, and this for no other reason than mutual denunciations.
My next shall be a more sober & chastised Epistle but you see I was in the humour for metaphors and to tell thee the Truth, I have so often serious reasons to quarrel with my Inclination, that I do not chuse to contradict it for Trifles.Samuel Taylor Coleridge
Chastising is an effect of love. It is not only consequential to, but springs from it; wherefore there is nothing properly penal in the chastisement of believers. Punishment proceeds from love to justice, not from love to the person punished; but chastisement is from love to the person chastised, though mixed with displeasure against sin.
Certainly Allah helped you in many battlefields, and on the day of Hunain, when your great numbers made you proud, but they availed you nothing, and the earth with all its spaciousness was straitened for you, then you turned back retreating. Then Allah sent down His calm upon His Messenger and upon the believers, and sent hosts which you saw not, and chastised those who disbelieved. And such is the reward of the disbelievers.