Malachi 3:1-2

Orthodox Jewish Bible

3 Hineni, I will send malachi, and he shall prepare the Derech before me: and HaAdon (the L-rd [Moshiach] Zech 4:14), whom ye seek, shall suddenly come to His Heikhal, even the Malach HaBrit, in whom ye have chafetz (delight): hinei, He is coming, saith Hashem Tzva’os.

² But who may abide the Yom Bo’o (day of His coming)? Who shall stand when He appeareth? For He is like a refiner’s eish, and like fullers’ soap: