vain words
2 Kings 18:20
Thou sayest, (but they are but vain words,) I have counsel and strength for the war. Now on whom dost thou trust, that thou rebellest against me?
Job 16:3
Shall vain words have an end? or what emboldeneth thee that thou answerest?
Jeremiah 43:2
Then spake Azariah the son of Hoshaiah, and Johanan the son of Kareah, and all the proud men, saying unto Jeremiah, Thou speakest falsely: the LORD our God hath not sent thee to say, Go not into Egypt to sojourn there:
Zechariah 1:6
But my words and my statutes, which I commanded my servants the prophets, did they not take hold of your fathers? and they returned and said, Like as the LORD of hosts thought to do unto us, according to our ways, and according to our doings, so hath he dealt with us.
Malachi 3:14
Ye have said, It is vain to serve God: and what profit is it that we have kept his ordinance, and that we have walked mournfully before the LORD of hosts?
Ephesians 5:6
Let no man deceive you with vain words: for because of these things cometh the wrath of God upon the children of disobedience.