[pinkpanther]

I am already clear about what Paul taught. 

You already said obedience to the Law is optional, which is the teaching of Paul. But Jesus said obedience to the Law is critical, a must, not optional.

Obedience to Jesus, ergo, is not merely a matter of legalistic adherence to rules but an expression of love and faith in him. The thief on the cross is a great example