That was the coming of the Messiah, Jesus Christ. The Law made it clear as never before that the Israelites were imperfect. It also impressed on them the need for a ransom, a perfect sacrifice that would fully cover sin.
Dengan adanya Hukum Musa, bangsa Israel memahami bahwa mereka tidak sempurna dan membutuhkan tebusan, yaitu korban sempurna yang akan menyingkirkan dosa mereka sepenuhnya.