The verse Hebrews 7:20 from the King James Version of the Bible reads: "And inasmuch as not without an oath he was made priest." This verse is part of a larger passage in the book of Hebrews that discusses the priesthood of the biblical figure Melchizedek and the superiority of Jesus Christ as a high priest. In order to fully understand the meaning and significance of this verse, it is important to examine the historical and cultural context in which it was written, as well as the broader themes and symbolism present in the passage.

The book of Hebrews was written to a group of Jewish Christians who were struggling with their faith and were facing persecution for their beliefs. The author of Hebrews sought to encourage and strengthen these believers by demonstrating the superiority of Jesus Christ and the new covenant that he established. This verse is part of a larger argument in the book that compares the priesthood of Melchizedek to the priesthood of Jesus, showing how Jesus fulfills and surpasses the Old Testament system of priestly mediation.

The verse alludes to the oath that God made to establish Jesus as a high priest in the order of Melchizedek. In the Old Testament, priests were often appointed and ordained through a formal ceremony and the taking of an oath, which signified their authority and legitimacy. According to the author of Hebrews, Jesus' priesthood is superior to the Levitical priesthood because it was established by God with an oath, indicating the unchangeable nature of his priestly office.

One of the key themes in this passage is the contrast between the old and new covenants, particularly in the context of the priesthood. The Old Testament system of priesthood, established through the tribe of Levi and the lineage of Aaron, was provisional and temporary. It required continual sacrifices and offerings for the forgiveness of sins, and it was ultimately unable to bring about lasting reconciliation between God and humanity. In contrast, Jesus' priesthood, as a high priest in the order of Melchizedek, is eternal and unchangeable. He offered himself as a sacrifice once and for all, securing eternal salvation for those who believe in him.

Symbolism plays an important role in the book of Hebrews, and this verse is no exception. The oath mentioned in this verse symbolizes the divine authority and confirmation of Jesus' priesthood. In ancient Near Eastern cultures, an oath was a solemn and binding promise, often made in the presence of a higher authority or deity. By establishing Jesus as a high priest with an oath, God is demonstrating the certainty and permanence of his priestly ministry.

Furthermore, the reference to Melchizedek, a mysterious figure from the book of Genesis, holds symbolic significance. Melchizedek was both a king and a priest, and he blessed Abraham, who in turn paid tithes to him. The author of Hebrews uses Melchizedek as a type or foreshadowing of Christ, highlighting the superiority of Jesus' priesthood over the Levitical priesthood. By drawing parallels between Jesus and Melchizedek, the author emphasizes the eternal and transcendent nature of Jesus' priesthood, as well as his unique role as both king and priest.

In conclusion, Hebrews 7:20 from the King James Version of the Bible is a verse that carries deep theological and symbolic meaning. It speaks to the unchangeable and eternal nature of Jesus' priesthood, as well as the superiority of the new covenant over the old covenant. By understanding the historical and cultural context, as well as the broader themes and symbolism present in the passage, we can gain a deeper appreciation for the significance of this verse in the larger narrative of salvation history.