(The people of Moses so frequently said what they did not do that) Moses had to tell them, "O My people! Why do you hurt me, even though you know that I am Allah's Messenger to you?" But when they kept deviating, Allah let their hearts deviate. For, Allah shows not the Way to those who keep drifting away from their word. ('Fasiq' = One who drifts away - from? - depends on the context).