Then he came to the king; and the king said to him, "Micaiah, shall we go to war against Ramoth Gilead, or shall I refrain?" And he said, "Go and prosper, and they shall be delivered into your hand!"
2 Chronicles 18:14
Surrounding context
18:13 And Micaiah said, "As the LORD lives, whatever my God says, that I will speak."
18:14 Then he came to the king; and the king said to him, "Micaiah, shall we go to war against Ramoth Gilead, or shall I refrain?" And he said, "Go and prosper, and they shall be delivered into your hand!"
18:15 So the king said to him, "How many times shall I make you swear that you tell me nothing but the truth in the name of the LORD?"