A dramatic prophetic vision unfolds as an angel delivers a direct message on behalf of God [אבן עזרא]. The interaction begins with a loud, strong, and urgent shout directed at the prophet. The primary approach among commentators is that this powerful cry demands immediate attention [מצודת דוד, רד״ק, אברבנאל, ביאור שטיינזלץ]. Alternatively, this sharp call is meant to stir the prophet to cry bitterly over the future troubles destined for Israel, before shifting into a regular tone that brings a message of comfort [מלבי״ם].
The angel commands the prophet to look closely and observe forces moving toward the north [מצודת דוד]. Commentators agree that these forces, appearing in the vision as black horses, represent the Medo-Persian empire marching to conquer and destroy Babylon, which is identified as the northern land [רש״י, מצודת דוד, רד״ק]. This conquest is part of a larger historical cycle where God uses each rising empire as His messenger to dismantle the kingdom that came before it [אברבנאל].
By overthrowing Babylon, the Persians succeed in calming the divine wrath [מצודת ציון]. The primary approach among commentators is that the conquest of Babylon and the destruction of the royal line of Nebuchadnezzar and Belshazzar served as a necessary retribution. This vengeance quieted God's anger toward the Babylonians, who had treated the Israelites with excessive cruelty, punishing them far beyond what God had originally decreed [רש״י, מצודת דוד, אבן עזרא, רד״ק].
From this appeased anger emerges a promise of deep comfort for the Israelites. The vision reveals that God will now bring about a better future for His people [מלבי״ם]. As a result, both the Jews living in Jerusalem and those who remain in the Babylonian exile will be able to dwell in safety [אבן עזרא]. Ultimately, while the prophecy deals with heavenly forces, it is firmly rooted in historical reality. It reflects the long, stable existence of the Jewish community in Babylon, which brought satisfaction to God by fulfilling His will [ביאור שטיינזלץ].