To underline the glory of Yahweh as the great King, David repeated the exhortation and the explanation contained in Psalm 24:7-8 respectively. These verses restate, in synonymous parallelism, the same thought, and all four verses serve as a victory shout. "Long live the King!" "Long live the King!"[source]
God"s people should honor and glorify the Lord because He is the strongest of all Kings. We should realize that communion with such a One requires purity in thought, word, and deed. This will be an appropriate psalm to recite when the Lord Jesus returns to earth to set up His kingdom for1 ,000 years. [1][source]
" Psalm 22 , 23 , , 24form a trilogy. In Psalm 22the good Shepherd gives His life for the sheep ( John 10:11); in Psalm 23the great Shepherd, "brought again from the dead ... through the blood of the everlasting covenant" ( Hebrews 13:20), tenderly cares for His sheep; in Psalm 24the chief Shepherd appears as King of glory to reward His sheep ( 1 Peter 5:4)." [2][source]
"What a wonderful trilogy we have here in these three Psalm. The Psalm of the Cross, 22; the Psalm of the crook, the Shepherd"s crook, 23; the Psalm of the crown, 24." [3][source]