Sacrifice is the central theme of God's plan, not only the foundation of salvation, but also the essential means by which we become transformed into God's image. From the foreordained sacrifice to the Old Testament that foreshadowed Him, Scripture reveals that true love is sacrificial action—not emotion—and that believers enter a covenant sacrifice requiring daily offerings of obedience, praise, repentance, service, forgiveness, and acts of unmerited kindness. Just as Christ embodied the burnt, grain, peace, sin, and trespass offerings, we must respond by becoming "living sacrifices," allowing God's Holy Spirit to replace self-concern with God-focused concern, overcoming evil with good, and building peace and harmony within the Body of Christ. This sacrificial way of life—love expressed through consistent, costly, others-focused giving—is the "bond of perfection" identifying Christ's disciples and completing God's transformative work in His people.