Minor as it may have been, Jewish male babies underwent surgery if their families were faithful to God. This surgery was a sign demonstrating obedience and identifying God’s people.
This is a Christian Evidences topic when we explore the level of understanding in the day of Abraham and realize that only a Creator and Revealer of Truth could be behind this.
What happens when we get hurt or cut? How does blood help with injuries? What is important about the 8th day? Why is this evidence of an Almighty Creator?