Contradiction with Ecclesiastes 7:4
While Psalms 100:4 encourages joy and thanksgiving, Ecclesiastes 7:4 suggests that wisdom lies in the house of mourning.
Ecclesiastes 7:4: The heart of the wise [is] in the house of mourning; but the heart of fools [is] in the house of mirth.
Contradiction with Amos 5:21-23
These verses express God's rejection of certain forms of worship and praise, contrasting with the call to enter with thanksgiving and praise in Psalms 100:4.
Amos 5:21-23: I hate, I despise your feast days, and I will not smell in your solemn assemblies. [in...: or, your holy days]
Contradiction with Isaiah 1:13-15
God declares that He despises the outward displays of worship when they are not accompanied by righteousness, which contradicts the open invitation to praise in Psalms 100:4.
Isaiah 1:13-15: Bring no more vain oblations; incense is an abomination unto me; the new moons and sabbaths, the calling of assemblies, I cannot away with; [it is] iniquity, even the solemn meeting. [iniquity: or, grief]
Contradiction with Matthew 6:7
This verse cautions against meaningless repetition in prayer, implying that not all forms of vocal praise are beneficial, in contrast to the general call for thanksgiving and praise in Psalms 100:4.
Matthew 6:7: But when ye pray, use not vain repetitions, as the heathen [do]: for they think that they shall be heard for their much speaking.