Contradiction with Proverbs 16:18
While Psalms 48:4 speaks of kings assembling together in a perhaps cooperative manner, Proverbs 16:18 cautions against pride and downfall, suggesting that such gatherings might lead to negative outcomes due to pride.
Proverbs 16:18: Pride [goeth] before destruction, and an haughty spirit before a fall.
Contradiction with Luke 12:51-53
Whereas Psalms 48:4 may imply unity among the kings, Luke 12:51-53 speaks to division and conflict, directly contradicting the notion of peaceful assembly.
Luke 12:51-53: Suppose ye that I am come to give peace on earth? I tell you, Nay; but rather division:
Contradiction with James 4:1
Psalms 48:4 might suggest harmony among rulers, but James 4:1 speaks to wars and fights that can arise from desires among people, including leaders.
James 4:1: From whence [come] wars and fightings among you? [come they] not hence, [even] of your lusts that war in your members? [fightings: or, brawlings] [lusts: or, pleasures]
Contradiction with Ecclesiastes 1:14
Psalms 48:4 describes a gathering, but Ecclesiastes 1:14 refers to the vanity of worldly endeavors, suggesting futility in such assemblies.
Ecclesiastes 1:14: I have seen all the works that are done under the sun; and, behold, all [is] vanity and vexation of spirit.
Contradiction with Isaiah 40:17
While Psalms 48:4 highlights the assembly of kings, Isaiah 40:17 diminishes their significance, stating all nations are as nothing before God.
Isaiah 40:17: All nations before him [are] as nothing; and they are counted to him less than nothing, and vanity.