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can you explain that please?
"I am significant," is pride. It can be healthy ego if it elevates right thinking, right action or right being, or it can be hubris, elevating and inflated its own worth. "I am insignificant compared to the greatness of (insert something else here)," is pride that is warped: it inflates the other, and in doing so deflates itself. "Deflation" is not in itself "humbling." It can even be damaging to a healthy ego.
"I am" is ego, contained in both pride and hubris. "God is" is mirrored ego; "I am," mirrored as the world. If the ego is healthy, and if it holds a healthy image of the mirror, the two can merge. Ego can vanish into the mirrored being til there is nothing left that is not god. That is the ego humbled.