Why the 8th Day? The Mystery of the Number Eight
The Torah commands that Bris Milah be performed on the eighth day of a boy's life, even if that day falls on Shabbat. But why specifically the eighth? The Maharal of Prague explains that the number seven represents the natural world — the seven days of Creation — while eight transcends nature, representing the eternal covenant between God and the Jewish people that stands above the natural order.
The Zohar (Lech Lecha) adds that the eight-day requirement ensures the infant experiences at least one Shabbat before the Bris, imbuing him with the sanctity of Shabbat before entering the covenant. This is not merely poetic — it is halachically codified in the Shulchan Aruch (Yoreh De'ah 262:1).
Sources:
Vayikra 12:3 · Talmud Bavli, Shabbat 134b · Maharal, Gevurot Hashem · Shulchan Aruch Y.D. 262:1
