Summary: The ultimate harvest will be when "all the ends of the earth" revere God.
A BLESSING FOR ALL NATIONS
The Apostle Paul elaborates: ‘and that seed is Christ’ (Galatians 3:16).
It is not selfish to pray that God will bless us, if that blessing is seen as a channel of blessing for others.
God is redeeming a people to Himself, through the blood of Jesus, out of every tribe and kindred and tongue and nation (Revelation 5:9).
This was the missionary motivation which saw the Church expanding from Jerusalem, Judaea and Samaria, to ‘the ends of the earth’ (Acts 1:8).
The blessing was never meant to be restricted to just one family, but to peoples and nations and families from “all the ends of the earth” (Psalm 67:7).
The middle verse elaborates, calling the nations into joyous song. God’s righteous judgment, and His sound government, are given as the reason for this all-encompassing and exuberant thanksgiving and praise (Psalm 67:4; cf. Psalm 96:10-13).
The occasion of this Psalm is identified by the harvest motif. Harvest is both the starting point and the prospect of Psalm 67:6.
A successful harvest demonstrates the bounteousness of God to the ends of the earth. The ultimate harvest will be when “all the ends of the earth” revere God (Psalm 67:7).
In the meantime, there is a harvest to be reaped through prayer, and the preaching of the Word (cf. Matthew 9:36-38).
And the praising of His name (Psalm 67:3-5)!