'Says the Lord' in the Bible

‘Thus says the Lord: “You shall not go up nor fight against your brothers (countrymen); return, every man to his house, for this thing is from Me.”’” And they listened to and obeyed the words of the Lord and turned back from going against Jeroboam.

Then Shemaiah the prophet came to Rehoboam and the leaders of Judah who had gathered at Jerusalem because of Shishak, and said to them, “Thus says the Lord: ‘You have abandoned (turned away from) Me, so I have abandoned you into the hands of Shishak.’”

Zedekiah the son of Chenaanah had made horns of iron for himself; and said, “Thus says the Lord: ‘With these you shall gore the Arameans (Syrians) until they are destroyed.’”

Then a letter came to Jehoram from Elijah the prophet, saying, “Thus says the Lord God of David your father (ancestor): ‘Because you have not walked in the ways of your father Jehoshaphat nor in the ways of Asa king of Judah,

And she answered them, “Thus says the Lord, the God of Israel: ‘Tell the man who sent you to me,

thus says the Lord: “Behold, I am bringing evil on this place and on its inhabitants, all the curses that are written in the book which they have read in the presence of the king of Judah.

But you shall say the following to King Josiah of Judah, who sent you to inquire of the Lord: ‘Thus says the Lord God of Israel, concerning the words which you have heard,

“Because your heart was gentle and penitent and you humbled yourself before God when you heard His words against this place and its inhabitants, and humbled yourself before Me, and tore your clothes and wept before Me, I also have heard you,” declares the Lord.