Romans 8:2

“because through Christ Jesus the law of the Spirit of life set me free from the law of sin and death.”

Like it or not, we are all under one of two laws. Either we are under the law of sin, or the law of the Spirit. Paul described his own encounter with each of these in chapter 7. ‘For in my inner being I delight in God’s law, but I see another law at work in the members of my body’ (Rom. 7:22-23).
Some people are said to ‘have a law unto themselves’. How true this is: if we have not submitted to the Lordship of Christ, then we are still captives to sin and under its power. Sin, if it is not dealt with and forgiven by the blood of Christ, results in death.
However, there is another law we can live by: the law of the Spirit. This is not something enforced externally to modify our behaviour from outside, but a change of heart inside that is manifested in our outward actions. The law of the Spirit is simple: love. Love God, and love other people as you do yourself (Mark 12:28-31). Seek to develop the fruit of the Spirit in your life: “love, joy, peace, patience, kindness, goodness, faithfulness, gentleness, and self-control. Against such things there is no law” (Gal. 5:22-23). To live in this way is to live on a higher plane than simply having your actions moderated by ‘don’t do this’ and ‘don’t do that’. The way of the Spirit sets us free from this form of the law.