And those who are constant, seeking the pleasure of their Lord, and keep up prayer and spend (benevolently) out of what We have given them secretly and openly and repel evil with good; as for those, they shall have the (happy) issue of the abode

If you do good, you will do good for your own souls, and if you do evil, it shall be for them. So when the second promise came (We raised another people) that they may bring you to grief and that they may enter the mosque as they entered it the first time, and that they might destroy whatever they gained ascendancy over with utter destruction.