Truly, God is not ashamed that He propound a parable, even of a gnat or whatever is above it. So as for those who believed, then, they know that it is The Truth from their Lord, but those who were ungrateful, then they will say: What did God mean by this parable? He causes many to go astray by it and He guides many by it. And He causes none to go astray by it, but the ones who disobey—