Firon said: Do you believe in Him before I have given you permission? Surely this is a plot which you have secretly devised in this city, that you may turn out of it its people, but you shall know:

And from among those who are round about you of the dwellers of the desert there are hypocrites, and from among the people of Medina (also); they are stubborn in hypocrisy; you do not know them; We know them; We will chastise them twice then shall they be turned back to a grievous chastisement

It did not beseem the people of Medina and those round about them of the dwellers of the desert to remain behind the Messenger of Allah, nor should they desire (anything) for themselves in preference to him; this is because there afflicts them not thirst or fatigue or hunger in Allah's way, nor do they tread a path which enrages the unbelievers, nor do they attain from the enemy what they attain, but a good work is written down to them on account of it; surely Allah does not waste the reward of the doers of good;

And the people of the town came rejoicing.

And he went into the city at a time of unvigilance on the part of its people, so he found therein two men fighting, one being of his party and the other of his foes, and he who was of his party cried out to him for help against him who was of his enemies, so Musa struck him with his fist and killed him. He said: This is on account of the Shaitan's doing; surely he is an enemy, openly leading astray.