Cry thou (Isaiah 40:6). The prophet has to publish two things:
I am jealous. The term implies ardent love, which cannot bear itself to be slighted, or the object of its affection to be injured (comp. Zechariah 8:2, and note there; Numbers 25:11, Numbers 25:13; Joel 2:18). For Jerusalem, as the capital of the kingdom; and for Zion, as the seat of worship.