Messianic Judaism affirms that all humanity is born into a state of sinfulness rooted in Adam's transgression. The concept of the yetzer hara (the evil inclination) from Jewish ethics and mysticism is used to describe the human bent toward sin and rebellion against God. Every person inherits a propensity toward sin, and all are in need of redemption through the Messiah. This doctrine bridges Jewish and Christian anthropology, teaching that human nature is corrupted by sin and requires divine grace for restoration.

The Fall of Adam in Genesis 3 is understood as the historical and theological foundation for human sinfulness. While each person is responsible for their own sins, the universal human condition of moral depravity is affirmed. Redemption through faith in Yeshua the Messiah addresses both the guilt and power of sin, restoring the individual to right relationship with God.