Malachi 2:2

2:2 If you do not listen and take seriously the need to honor my name,” says the Lord who rules over all, “I will send judgment on you and turn your blessings into curses – indeed, I have already done so because you are not taking it to heart.

Malachi 3:1

3:1 “I am about to send my messenger, who will clear the way before me. Indeed, the Lord you are seeking will suddenly come to his temple, and the messenger of the covenant, whom you long for, is certainly coming,” says the Lord who rules over all.