The Purpose of the Law is to crush us and drive us to our knees in the realization that we need a savior. But it has no power to produce holiness. Thank God for His grace for it supplies us with His holiness and writes His law on our hearts.
Luke 18:15-17
Luke 18:18-30 - and not critical but you might want to read the parallel passages in the other gospels
Matthew 19:16-30
Mark 10:17-31
Exodus 20:3
Luke 19:1-10
Exodus 22:1
Galatians 3:5-7
2 Corinthians 3:1-11