If Adam’s disobedience was the match that started the deadly fire that we call sin. The law was the dry forest that allowed the fire to run wild, consuming people in their fallen nature like trees in their flammable nature. The law was brought in so that the trespass might increase. But where sin increased, grace increased all the more (Romans 5:20) God then provided His only begotten Son as a rain storm of His Grace to extinguish the fire of sin. just as sin reigned in death, so also grace might reign through righteousness to bring eternal life through Jesus Christ (Romans 5:21) The transgression of Adam, which created in all of us a fallen nature leading to death, was redeemed through the sacrifice of Jesus who knew no sin. For just as through the disobedience of the one man the many were made sinners, so also through the obedience of the one man the many will be made righteous. (Romans 5:19)
To be sure, sin was in the world before the law was given, but sin is not charged against anyone’s account where there is no law. Nevertheless, death reigned from the time of Adam to the time of Moses, even over those who did not sin by breaking a command, as did Adam, who is a pattern of the one to come. (Romans 5:13-14) The law could not conquer sin because death was still the result. Even perfect adherence to God’s law resulted in the same death that existed before law established and magnified sin and the fallenness of man. God had to come to earth in the flesh to redeem us from the disobedience of Adam and disobedience of man in turning away from God’s law. Jesus had to fulfill the requirements of the law to set us free from the penalty of death. The law given through Moses was fulfilled in Jesus. Jesus says: “Do not think that I have come to abolish the Law or the Prophets; I have not come to abolish them but to fulfill them.” (Matthew 5:17)
Adam-Moses: No Law, No Spirit (People turn away from God)
The world was held under the rule of death. All humanity fell into the depravity of sin with no way to know God as His name was lost through generations. It fell into such disarray that God flooded the world that showed no promise of redemption.
Moses-Christ: Law, No Spirit (People turn away from God and the law)
God gave Moses laws that would guide His people to be set apart and to keep God their focus. The laws were protection from their fallen nature and a way to keep God and His faithfulness at the center of their lives. They turned away even when God gave them direction and guidance.
Christ-Eternity: Spirit, No Law (God comes to find His people)
The death and resurrection of our Savior gave us access to the Holy Spirit which writes the law upon our hearts. The love we are commanded to give to God and to our neighbors fulfills the requirements of moral law. As we walk in the newness of life and obedience to God we are not subject to the death penalty of sin.