I will also gather all nations, and will bring them down into the valley of Jehoshaphat, and will plead with them there for my people and for my heritage Israel, whom they have scattered among the nations, and parted my land.
I will also gather all nations, and will bring them down into the valley of Jehoshaphat. Parallel to Zechariah 14:2-4 ("I will gather all nations against Jerusalem to battle; and the city shall be taken, and the houses rifled, etc. Then shall the Lord go forth, and fight against those nations, as when he fought in the day of battle. And His feet shall stand in that day upon the mount of Olives, which is before Jerusalem on the east," etc.), where the "mount of Olives" answers to the "valley of Jehoshaphat" here. The latter is called 'the valley of blessing' (Berachah) (2 Chronicles 20:26). It lies between Jerusalem and the mount of Olives and has the Kedron flowing through it. As Jehoshaphat overthrew the confederate foes of Judah, namely, Ammon, Moab, etc. (Psalms 83:6-8), in this valley (which was therefore called the valley of blessing, for there they blessed the Lord previous to the victory, 2 Chronicles 20:21-22; 2 Chronicles 20:26), so God was to overthrow the Tyrians, Zidonians, Philistines, Edom, and Egypt, with a similar utter overthrow (Joel 3:4; Joel 3:19). This has been long ago fulfilled: but the ultimate event shadowed forth herein is still future, when God shall specially interpose to destroy Jerusalem's last foes, of whom Tyre, Zidon, Edom, Egypt, and Philistia are the types. Since "Jehoshaphat" means "the judgment of Yahweh," the valley of Jehoshaphat may be used as a general term for the theater of God's final judgments on Israel's foes, with an allusion to the judgment inflicted on them by Jehoshaphat. The definite mention of the mount of Olives in Zechariah 14:1-21, and the fact that this was the scene of the ascension, makes it likely the same shall be the scene of Christ's coming again: cf. "This same Jesus ... shall so come in like manner as ye have seen Him go into heaven" (Acts 1:11).
All nations - namely, which have maltreated Judah. And will plead with them there - (Isaiah 66:16; Ezekiel 38:22).
For my people and for my heritage Israel - (Deuteronomy 32:9, "The Lord's portion is His people; Jacob is the lot of His inheritance;" Jeremiah 10:16). Implying that the source of Judah's redemption is God's free love wherewith He chose Israel as His special heritage, and at the same time assuring them, when desponding because of trials, that he would plead their cause as His own, and as if He were injured in their person.