'Empty Words' in the Bible

You say (but they are only empty words), ‘I have counsel and strength for the war.’ Now on whom do you rely, that you have rebelled against me?

I say, ‘Your counsel and strength for the war are only empty words.’ Now on whom do you rely, that you have rebelled against me?

Let no one deceive you with empty words, for because of these things the wrath of God comes upon the sons of disobedience.