Paul tells us in Rom. 7:8-10 (above) that the Law was "intended for Life," but instead brought Death. Why? Because the Law could only justify the righteous, and because all have sinned, it was unable to do its intended job. Sin activates the Law (i.e., gives it life), because that is its purpose. Where there is no sin, the Law remains satisfied and dormant, so to speak.

For a full reading:

https://godskingdom.org/studies/books/the-restoration-of-all-things/chapter-2-universalism-vs-restorationism