'Burden Of The Lord' in the Bible

And when this people, or the prophet, or a priest, shall ask thee, saying, What is the burden of the LORD? thou shalt then say to them, What burden? I will even forsake you, saith the LORD.

And as for the prophet, and the priest, and the people that shall say, The burden of the LORD, I will even punish that man and his house.

And the burden of the LORD shall ye mention no more: for every man's word shall be his burden; for ye have perverted the words of the living God, of the LORD of hosts our God.

But since ye say, The burden of the LORD; therefore thus saith the LORD; Because ye say this word, The burden of the LORD, and I have sent to you, saying, Ye shall not say, The burden of the LORD;