What does the Bible say about the relationship between law and grace?

The scriptures make a clear distinction between law and grace, as exemplified in Jeremiah 3:19 where God speaks to His people about calling Him Father. The Old Covenant, rooted in law, demonstrates humanity's ultimate inability to achieve righteousness through works, as illustrated throughout the Old Testament's history of Israel's failures. Hebrews 8:7 states that if the first covenant had been faultless, there would be no need for a second. Therefore, grace is established not on our merit, but through faith in Christ's redemptive work, as Ephesians 1:4-5 affirms our adoption and predestination through Him. In contrast, the law brings condemnation, showing our need for a new covenant based on grace.