John 9, Jesus heals a blind man (on the Sabbath), spiritual blindness.

A map of Jerusalem today.

An areal view with the temple mound . The pool of Siloam is between point A and B

Here the formerly blind man says “I am.” The context determines if it refers to the eternal “I am” or just means ” I am”.

“Amazing Grace, how sweet the sound,
That saved a wretch like me….
I once was lost but now am found,
Was blind, but now, I see.”

John 7, Jesus teaching at the feast of tabernacles.

Technically it was Jesus’ half brothers, since Jesus was adopted by Joseph.

From Leviticus 12:And in the eighth day the flesh of his foreskin shall be circumcised. It was an absolute command, and had to be performed on the eighth day, even if that was a Sabbath.