English of Core Text: “In His image” — this teaches that Adam the first man was created circumcised.
On the daf / in context: The midrash links the perfection of the Divine image with the physical perfection of being born already circumcised. (TT places the citation here.)
Type of Learning: Custom (Adam created circumcised)What Is Learned: Adam was created already in the state of milah, as part of the perfection of the Divine image.