-->
I.e., they are unwilling to accept any idea which runs counter to their own, blasphemous inclinations.
According to Raghib, the noun mathal (lit., "similitude", "parable" or "example") is here more or less synonymous with wasf ("description by means of a comparison", i.e., "definition"). In its broadest sense, this term signifies "a lesson".
In the Qur-an everything is explained in detail from various points of view, by commands, similitudes, examples, stories, parables, etc. It does not merely narrate stories or lay down vague abstract propositions. It gives every detailed help in outward and inner life.
One form in which it can be received with ingratitude is to pay verbal tributes to it but not study it as it ought to be studied (ii. 121, haqqa tilawatihi), or to disobey its precepts or standards.