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Summary
- Eight is one of the few numbers Scripture genuinely uses with intent, and it means the day after a completed week.
- Circumcision on the eighth day (Genesis 17:12), an animal offered from the eighth (Leviticus 22:27), a priest serving from the eighth (Leviticus 9:1), and a sacred assembly after the seven days of Tabernacles (Leviticus 23:36).
- 1 Peter 3:20 counts eight people saved through water in the ark and connects it directly to baptism.
- The early church called Sunday the eighth day — the Epistle of Barnabas and Justin Martyr both do — and built baptisteries with eight sides. That development is post-biblical, and the article says so.
- Eight does not mean “new beginnings” as a free-standing promise. In Scripture it is always the eighth day of something, and the sequence is the meaning.
Bibliography (Click to show)
Sources: Scripture quotations from the NIV via BibleGateway (Genesis 7:13; 17:12; Leviticus 9:1; 12:3; 22:27; 23:36; 1 Peter 3:20-21). The Epistle of Barnabas 15 and Justin Martyr’s Dialogue with Trypho 41 both treat the eighth day as the day of resurrection; octagonal baptisteries survive across the late antique Mediterranean and are discussed in standard histories of early Christian architecture. The post-biblical status of that development is stated in the article rather than elided.
