Contradiction with Ecclesiastes 2:11
This verse discusses seeing all labor as vanity and vexation of spirit, which contradicts finding joy in God's commandments as Psalms 119:14 suggests.
Ecclesiastes 2:11: Then I looked on all the works that my hands had wrought, and on the labour that I had laboured to do: and, behold, all [was] vanity and vexation of spirit, and [there was] no profit under the sun.
Contradiction with Romans 7:18-19
These verses express the struggle and inability to consistently do good, conflicting with the delight found in following God's statutes mentioned in Psalms 119:14.
Romans 7:18-19: For I know that in me (that is, in my flesh,) dwelleth no good thing: for to will is present with me; but [how] to perform that which is good I find not.
Contradiction with Galatians 4:9
This verse refers to turning again to weak elements, contrasting with the joy in following God’s ways as described in Psalms 119:14.
Galatians 4:9: But now, after that ye have known God, or rather are known of God, how turn ye again to the weak and beggarly elements, whereunto ye desire again to be in bondage? [turn ye again: or, turn ye back] [elements: or, rudiments]
Contradiction with Matthew 19:21
Here, Jesus speaks of perfection through selling possessions, which can create tension with the idea of rejoicing solely in God's testimonies noted in Psalms 119:14.
Matthew 19:21: Jesus said unto him, If thou wilt be perfect, go [and] sell that thou hast, and give to the poor, and thou shalt have treasure in heaven: and come [and] follow me.
Contradiction with Romans 7:22-23
Although delighting in God's law inwardly, there is a battle with sin, contrasting the clear joy expressed in Psalms 119:14.
Romans 7:22-23: For I delight in the law of God after the inward man: