Psalm 100—
“It is Israel’s voice in praise which we hear in this brief Psalm, which so fittingly concludes this series of great millennial Psalms. They exhort that all the earth should make a joyful noise unto the Lord, to serve Him and come before Him with singing. The third verse tells us that they are the speakers. All are to enter His gates with thanksgiving and come into His courts with praise. How often is this Psalm used in a spiritualized way, making the gates and the courts some church building. But we worship in spirit and in truth and not in an earthly house. The gates and courts have reference to that future temple, which will be a house of prayer for all nations.” (Gaebelein)
1 Make a joyful shout to Yahweh, all you lands!
“”Make a joyful noise to Yahweh all you lands.’— Or, ‘all the earth’ ; that is, as the Targum, ‘all the inhabitants of the earth,’ who are called upon to shout unto Him as their King; as the angels did at His birth, the disciples when he made His public entrance into Jerusalem, the apostles at His ascension to heaven, the saints when the marriage of Him, the Lamb, will be come, and both men and angels when He shall descend from heaven to judge the world; and such a joyful noise or shout should be made unto Him as to a triumphant conqueror, who has got the victory over sin, Satan, death, and the grave, and every enemy of His and His people, and made them more than conquerors through Himself; see Psalm 95:1.” (John Gill)
2 Serve Yahweh with gladness; come before His presence with singing.
“’With gladness.’— Not with a slavish fear, under a spirit of bondage, as the Jews under the legal dispensation; not in the oldness of the letter, but in the newness of the Spirit: with spiritual joy and freedom of soul, as under the spirit of adoption; readily, willingly, cheerfully; without sinister and selfish ends and views.” (John Gill) “He whom the religion of Christ has not made happy does not understand that religion, or does not make a proper use of it.” (Adam Clarke) ‘Come before His presence with singing;’ or praise. “True worship does not skulk into solitude, shun the gaze of society, ashamed to show itself. It craves for an opportunity of public manifestation. The spirit of true worship breaks through obscurity as the living seed breaks through the soil to unfold itself in foliage, branches, and blossoms to the eye of all. It is a life, and all life seeks to come out into the sun.” (Homilist) “It is a sign the oil of grace hath been poured into the heart ‘when the oil of gladness’ shines on the countenance. Cheerfulness credits [true— v. 5] religion.” (Thomas Watson)
3 Know that Yahweh, He is God; it is He who has made us, and not we ourselves; we are His people and the sheep of His pasture.
Know that Jesus is God. “That you may be true amid superstition, hopeful in contrition, persistent in supplication, unwearied in exertion, calm in affliction, firm in temptation, bold in persecution, and happy in dissolution. And ‘we are his people.’ We have been twice born, as all His people are. We love the society of His people. We are looking unto Jesus like His people. We are separated from the world as His people. We experience the trials of His people. We prefer the employment of His people. We enjoy the privileges of His people.” (W. J.) “‘Know that He is God’— Be convinced of it, ye heathens, whose fantasies have forged false gods; and ye Jews— ‘It is he that hath made us’— And newly made us; ‘for we are His workmanship created in Christ Jesus unto good works,’ Ephesians 2:10. ‘We are His people, and the sheep’ etc. This is a privilege proper to the communion of saints.” (John Trapp) He has made us “both by creation, and by adoption and regeneration, whereby He made us His people, which also is called a creation or making, as Deuteronomy 32:6 Isaiah 29:23 43:7 Ephesians 2:10. ‘And not we ourselves;’ therefore we owe Him homage and service, and Him only, and not other gods, who made us not.” (Matthew Poole)
4 Enter into His gates with thanksgiving, and into His courts with praise. Be thankful to Him, and bless His name.
“’Enter into His gates with thanksgiving,’ on hrwt the word used in Leviticus 7:12 for sacrifices of thanksgivings, Rabbi Menachen remarks: ‘All sacrifices will be abolished; but the sacrifice of thanksgiving will remain.’” (George Phillips)—“‘and into His courts with praise.’ In the Jewish church, the courts of God's house became the nearest place the Gentiles were permitted to approach, in their sacred worship: and even Israel was not allowed to enter into the Holy Place. But you and I, poor Gentiles by nature, and sinners by practice, are permitted to enter into the holiest, by the blood of Jesus; nay, commanded to come, and find grace to help in all time of need. Think, my brother, of the vast privilege; and let us improve it to his glory, in whose name and righteousness we can alone come, and by whose rich redemption such blessings are alone made ours.” (Robert Hawker) “Be thankful to Him, and bless His name.” And they called His name "Jesus" Or Yahweh is Saviour- for He shall save His people from their sins. Next year in Jerusalem.
5 For Yahweh is good; His mercy is everlasting, and His truth endures to all generations.
For Jesus is good — Infinite in goodness, and therefore doeth good. ‘His mercy is everlasting’ — is a fountain that can never be drawn dry. ‘His truth endureth to all generations’ — And no word of His shall fall to the ground as antiquated or revoked: His promises are sure to all the faithful, from age to age. If this Psalm be considered as prophetical of the calling both of Jews and Gentiles to the profession of the gospel, then by the gates of Zion, Psalms 100:4, must be mystically understood the Christian Church.” (Joseph Benson) — “‘His loving-kindness and faithfulness endure for ever’ - the thought that recurs frequently in the later Hallelujah and Hodu Psalms and is become a liturgical formula (Jeremiah 33:11). The mercy of loving-kindness of God is the generosity, and His faithfulness the constancy, of His love.” (Keil & Delitzsch Commentary)