Jeremiah 18:10 KJV
If it do evil in my sight, that it obey not my voice, then I will repent of the good, wherewith I said I would benefit them.
Jeremiah 18:10, King James Version
In context
9 And at what instant I shall speak concerning a nation, and concerning a kingdom, to build and to plant it;
10 If it do evil in my sight, that it obey not my voice, then I will repent of the good, wherewith I said I would benefit them.
11 Now therefore go to, speak to the men of Judah, and to the inhabitants of Jerusalem, saying, Thus saith the Lord; Behold, I frame evil against you, and devise a device against you: return ye now every one from his evil way, and make your ways and your doings good.