And when Musa said to his people: Surely Allah commands you that you should sacrifice a cow; they said: Do you ridicule us? He said: I seek the protection of Allah from being one of the ignorant.

Then after sorrow He sent down security upon you, a calm coming upon a party of you, and (there was) another party whom their own souls had rendered anxious; they entertained about Allah thoughts of ignorance quite unjustly, saying: We have no hand in the affair. Say: Surely the affair is wholly (in the hands) of Allah. They conceal within their souls what they would not reveal to you. They say: Had we any hand in the affair, we would not have been slain here. Say: Had you remained in your houses, those for whom slaughter was ordained would certainly have gone forth to the places where they would be slain, and that Allah might test what was in your breasts and that He might purge what was in your hearts; and Allah knows what is in the breasts.

Take to forgiveness and enjoin good and turn aside from the ignorant.

Say: What! Do you then bid me serve others than Allah, O ignorant men?