And Allâh, indeed, took a covenant from the Children of Israel, and We raised twelve chieftains from among them. And Allâh said, 'Surely, I am with you. If you observe prayer and present the purifying dues and believe in My Messengers and lend them support in a respectful manner, and perform an act of virtue and cut off a portion of your goodly gifts for (the cause of) Allâh, I will certainly absolve you of your sins and will surely admit you to Gardens served with running streams. But if anyone of you disbelieves after that surely he has strayed away from the right way.