Contradiction with James 1:22
This verse contradicts Romans 2:18 by emphasizing the need for action, not just knowing God's will.
James 1:22: But be ye doers of the word, and not hearers only, deceiving your own selves.
Contradiction with James 4:17
Highlights inaction after knowing good, whereas Romans 2:18 focuses on being instructed in the law.
James 4:17: Therefore to him that knoweth to do good, and doeth [it] not, to him it is sin.