3:119
Lo! You are those, you love them but not they love you and you believe in the Book - all of it. And when they meet you they say, "We believe." And when they are alone they bite at you the finger tips (out) of [the] rage. Say, Die in your rage. Indeed. Allah (is) All-Knowing of what (is in) the breasts."

25:27
And (the) Day will bite the wrongdoer [on] his hands, he will say, "O I wish! I had taken with the Messenger a way.