Surely Allah is not ashamed to set forth any parable-- (that of) a gnat or any thing above that; then as for those who believe, they know that it is the truth from their Lord, and as for those who disbelieve, they say: What is it that Allah means by this parable: He causes many to err by it and many He leads aright by it! but He does not cause to err by it (any) except the transgressors,

And the Jews say: The hand of Allah is tied up! Their hands shall be shackled and they shall be cursed for what they say. Nay, both His hands are spread out, He expends as He pleases; and what has been revealed to you from your Lord will certainly make many of them increase in inordinacy and unbelief; and We have put enmity and hatred among them till the day of resurrection; whenever they kindle a fire for war Allah puts it out, and they strive to make mischief in the land; and Allah does not love the mischief-makers.

Say: O followers of the Book! you follow no good till you keep up the Taurat and the Injeel and that which is revealed to you from your Lord; and surely that which has been revealed to you from your Lord shall make many of them increase in inordinacy and unbelief; grieve not therefore for the unbelieving people.