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Psalms 145:21 meaning

God’s everlasting glory calls for perpetual praise.

David, who reigned as king of Israel from around 1010 to 970 BC, brings his concluding thought to this psalm with the exclamation: “My mouth will speak the praise of the LORD, And all flesh will bless His holy name forever and ever.” (Ps. 145:21). In this closing declaration, David affirms that worship is not confined to a single individual or a specific group; rather, everyone is invited to proclaim the Lord’s greatness. The phrase “all flesh” encompasses all peoples of the earth, underscoring that the Creator’s influence and authority extend beyond Israel, offering salvation and blessing to anyone who calls upon the name of God Romans 10:13). David’s words also hint at the eternal scope of worship, pointing to a future where every person is gathered before the Lord (Revelation 7:9).

By proclaiming, “My mouth will speak the praise of the LORD,” (v.21) David makes a personal commitment to vocal worship, teaching us that genuine praise cannot remain silent. Matching David’s heartfelt devotion means letting our words honor the character, power, and faithfulness of God. In the New Testament, Jesus teaches that out of the overflow of the heart, the mouth speaks (Luke 6:45), and this psalm highlights the same principle centering on gratitude and devotion. Worship then becomes a mirror reflecting faith and love for the Lord, magnifying His name for all to see.

In his certainty that “all flesh will bless His holy name forever and ever,” (v.21) David looks ahead, envisioning the day when people from every nation and background will bring praise to the Almighty. This image aligns with the broader biblical narrative that promises a universal acknowledgment of God’s majesty (Philippians 2:10-11). Such unity of worship points to God’s inclusive heart, setting the stage for the restorative work brought about in Christ.

Psalms 145:21