Contradiction with Matthew 5:29-30
These verses emphasize removing causes of sin from the body, whereas Proverbs 16:30 highlights intentions and planning of evil without action.
Matthew 5:29-30: And if thy right eye offend thee, pluck it out, and cast [it] from thee: for it is profitable for thee that one of thy members should perish, and not [that] thy whole body should be cast into hell. [offend...: or, do cause thee to offend]
Contradiction with James 1:13
James states God does not tempt anyone with evil, contrasting with Proverbs 16:30 that attributes the planning of evil inherently to man.
James 1:13: Let no man say when he is tempted, I am tempted of God: for God cannot be tempted with evil, neither tempteth he any man: [evil: or, evils]
Contradiction with 1 John 1:5
This passage states God is light and in Him is no darkness, contrasting with the evil intentions in a person's heart as described in Proverbs 16:30.
1 John 1:5: This then is the message which we have heard of him, and declare unto you, that God is light, and in him is no darkness at all.
Contradiction with Romans 12:21
Encourages overcoming evil with good, opposing the notion of plotting evil mentioned in Proverbs 16:30.
Romans 12:21: Be not overcome of evil, but overcome evil with good.
Contradiction with Galatians 5:14
Summarizes the law as loving your neighbor as yourself, which contradicts the malicious intent talked about in Proverbs 16:30.
Galatians 5:14: For all the law is fulfilled in one word, [even] in this; Thou shalt love thy neighbour as thyself.