You are deceiving yourself and getting confused between the law of Ordinances and God's law.
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The apostle Paul understood and obeyed God's law. When he spoke of being ''released'' from the law he specifically mentioned one of the 10 commandments.
(Romans 7:6, 7) But now we have been released from the Law, because we have died to that which restrained us, in order that we might be slaves in a new sense by the spirit and not in the old sense by the written code. What, then, are we to say? Is the Law sin? Certainly not! Really, I would not have come to know sin had it not been for the Law. For example, I would not have known covetousness if the Law had not said: “You must not covet.”
(2 Corinthians 3:7, 8) Now if the code that administers death and that was engraved in letters on stones came with such glory that the sons of Israel could not gaze at the face of Moses because of the glory of his face, a glory that was to be done away with, why should the administering of the spirit not be with even greater glory?
Jesus did not view the 10 commandments as more important than other requirements.
(Matthew 22:36-38) “Teacher, which is the greatest commandment in the Law?” He said to him: “‘You must love Jehovah your God with your whole heart and with your whole soul and with your whole mind.’ This is the greatest and first commandment.
Here's what he quoted from:
(Deuteronomy 6:5) You must love Jehovah your God with all your heart and all your soul and all your strength.
