In exodus 3
When Moses asked God what should I tell the Israelites what your name is. God said I am who I am.
Jesus said before abraham was, I am.
I've never heard that spin on things. It's interesting. It wouldn't have been the first time Jesus redirected a wrong question to the things that really mattered:
John 8
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52] Then said the Jews unto him, Now we know that thou hast a devil. Abraham is dead, and the prophets; and thou sayest, If a man keep my saying, he shall never taste of death.
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53]
Art thou greater than our father Abraham, which is dead? and the prophets are dead: whom makest thou thyself?
[Yes he is, in a sense, because Abraham is dead and Jesus is Alive -- silly question. It's easy to talk about the dead, who cannot respond. Their problem was that they would not receive the living; and that living one had been sent to them by God.]
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54] Jesus answered, If I honour myself, my honour is nothing: it is my Father that honoureth me; of whom ye say, that he is your God:
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55] Yet ye have not known him; but I know him: and if I should say, I know him not, I shall be a liar like unto you: but I know him, and keep his saying.
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56] Your father Abraham rejoiced to see my day: and he saw it, and was glad.
[Jesus' day was the day they were living in, which Abraham foresaw by faith in God's promises to him: that through him, all the world would be blessed].
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57] Then said the Jews unto him, Thou art not yet fifty years old, and hast thou seen Abraham?
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58] Jesus said unto them, Verily,verily, I say unto you, Before Abraham was, I am.
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59] Then took they up stones to cast at him: but Jesus hid himself, and went out of the temple, going through the midst of them, and so passed by.
The Jews were attacking Jesus, while hypocritically claiming to be defenders of Abraham's dignity. If Abraham were alive, of course, he would have told them to shut up and listen to Jesus. Jesus is speaking the truth of God's word to them; and it is this truth (which existed long before Abraham) that they reject: The whole "indignity on behalf of Abraham" was a sham. If Jesus had spoken flattering words, instead of the truth, they would have received him.
I think it's fun here, to realize how very ordinary Jesus looked -- so ordinary, that he could melt right into the crowd. Another instance showing this, was when Judas had to go up to kiss him, so the Jews could be sure they had the right man.