Did the coming of Jesus render the Law of the old testament null and void

Gods law is written on the hearts of all humans. It is perfect in every sense and is a message to us of how God behaves. It is a perfect law for perfect things, we humans as imperfect things can only try, dream of or fail to up hold it completely. To try and live by this law alone cant be done by us. To become enslaved by it is as easy as getting addicted to drugs, and just as deadly. Its perfect charms hold untold traps for us if we think we can hold it against another.
Only Jesus was perfect enough for this law. We can only live under Gods grace and when the time comes take our punishment for the deliberate crimes we have committed in breach of it. But i tell you now with every lash tears of joy will still be mine