The sermon contrasts the fearful approach to God under the Law at Sinai with the accessible grace found in Christ. It identifies Jesus as the true altar, priest, and sacrifice who humbled Himself to bridge the gap between holy God and sinful humanity. The preacher emphasizes that salvation cannot be earned through religious effort or adherence to the law but is a gift of mercy provided by God alone. Believers are urged to flee to Christ outside the camp, resting in His finished work rather than their own merit. The message concludes with an invitation to find peace and blessing solely through faith in Jesus Christ.