Humanity quickly returned to sin after the flood. Rather than obeying God’s command to fill the earth, they sought to stay together and build a great tower—perhaps believing it would protect them from another flood. In response, God increased the curse by confusing their language, preventing them from working together effectively. This forced humanity to spread out and fill the earth as God had originally commanded, but it also introduced strife and conflict among these newly divided linguistic groups.
Still, the human heart remained hardened. A mighty man named Nimrod arose, seeking to build a civilization centered on himself. Nimrod, from the line of Noah’s cursed son Ham, did not repent of his sin. His civilization was built entirely on worldly principles, relying on his skills as a great hunter to provide food and protection from enemies. It’s not hard to imagine that Noah’s godly son, Shem, opposed Nimrod and worked to preserve the true worship of God. Could Shem have lived near what would later become known as Jerusalem, maintaining a sanctuary of faithful worship?
Abraham grew up in this context, witnessing Nimrod’s rise and the spread of false worship. Nimrod’s influence led many into idolatry, but Abraham refused to worship these false gods. Abraham’s life overlapped with Noah’s later years and intersected significantly with Shem’s, giving him firsthand knowledge of the events before and after the flood. He learned from these faithful forebears about humanity’s turning away from God and the consequences of sin.
God called Abraham out of the great city of Ur, one of the leading centers of the day, to move to an untamed and dangerous desert in the west. Abraham obeyed, leaving behind the security of civilization to follow God’s command. Throughout his journey, Abraham worshiped God by offering sacrifices, demonstrating his faith and devotion.
While many significant events marked Abraham’s life, the pinnacle of his faith was God’s test when He commanded Abraham to offer his only son, Isaac, as a burnt offering. This test parallels God’s question to Adam, “Where are you?” It was not to inform God—He already knew—but to reveal something profound to Abraham and to us.
Abraham’s obedience demonstrated his trust in God’s promises, even when the command seemed incomprehensible. This moment foreshadowed the ultimate act of worship: God’s own sacrifice of His only Son for the sins of the world.
Abraham knew that human sacrifices were vile and forbidden by God. How, then, was he to understand God’s command to offer Isaac as a burnt offering? This command was not an instruction for a human sacrifice as practiced by pagan civilizations. A human sacrifice involves one sinner being killed for another, which achieves nothing. Such rituals only fill civilizations with violence and bloodshed. The one sacrificed dies, and the one for whom the sacrifice is made remains alienated from God.
Abraham understood several key truths that shaped his response. First, he knew that Isaac was a sinner in need of atonement himself. Therefore, Isaac could not be the one to die in place of others. A sinful person cannot atone for another’s sin. Second, Abraham knew God’s promise: through Isaac, Abraham would become a great nation (Genesis 12:2). If Isaac were to die and remain dead, this promise would be nullified, and God cannot break His promises.
Reasoning from these truths, Abraham concluded that God could raise Isaac from the dead, even after the complete destruction of a burnt offering (Hebrews 11:19). This faith in God’s power over death gave Abraham the confidence to obey. As they climbed Mount Moriah, Abraham told Isaac, “God will provide the lamb” (Genesis 22:8).
And God did provide. In that moment, He provided a ram caught in the thicket to take Isaac’s place. But this provision pointed forward to an even greater fulfillment: the Lamb of God, Jesus Christ. As the only Son of God, Jesus would die not for His own sins, for He had none, but for the sins of the world (John 1:29). Unlike Isaac, who was spared, Jesus completed the sacrifice, providing the ultimate atonement that reconciles sinners to God.
Source: Worship in Spirit and in Truth, Owen Anderson (2025).

