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 they say: If we follow the guidance with you, we shall be carried off from our country. What ! have We not settled them in a safe, sacred territory to which fruits of every kind shall be drawn?-- a sustenance from Us; but most of them do not know.