The sermon explores the biblical concept of holiness by examining Leviticus 21 and 22, which establishes strict requirements for priests to remain physically and morally perfect in God's presence. It contrasts the Old Testament law with the New Testament reality that human beings cannot achieve this perfection through their own efforts due to inherent sin and mortality. The central message asserts that Jesus Christ provides the necessary righteousness and future resurrection body, allowing believers to approach God not on the basis of their own merit but through divine grace. This theological framework transforms the understanding of worship and communion from a ritual of self-justification to a celebration of Christ's finished work. The preacher concludes by inviting listeners to rest in the assurance that they are declared perfect in Christ, enabling them to dwell with God eternally.