Contradiction with Romans 3:20
This verse suggests that the law does not justify but gives knowledge of sin, which contrasts with the notion of the law being good if used lawfully.
Romans 3:20: Therefore by the deeds of the law there shall no flesh be justified in his sight: for by the law [is] the knowledge of sin.
Contradiction with Galatians 3:24-25
These verses indicate that the law was a schoolmaster leading to Christ, and now that faith has come, we are no longer under a schoolmaster, contradicting the idea of law being good.
Galatians 3:24-25: Wherefore the law was our schoolmaster [to bring us] unto Christ, that we might be justified by faith.
Contradiction with Hebrews 7:18-19
These verses state that there is a disannuling of the commandment for its weakness and unprofitableness, which contradicts the idea of the law being good.
Hebrews 7:18-19: For there is verily a disannulling of the commandment going before for the weakness and unprofitableness thereof.
Contradiction with Colossians 2:14
This verse speaks of the law being nailed to the cross, suggesting its abolishment, opposing the notion that the law is good.
Colossians 2:14: Blotting out the handwriting of ordinances that was against us, which was contrary to us, and took it out of the way, nailing it to his cross;
Paradox #1
This verse talks about the law being good if used properly. The possible contradiction or conflict could come from interpreting what "properly" means, as different people or groups might have different ideas about how to use the law. This could lead to conflicts about the application of laws and what is considered right or wrong.