Jesus is Son of man- The Kingdom of God in its Theological aspect

Jesus when he refers to himself in the Gospel of John makes two statements about wisdom: “I am the bread of life" John 6:34, then “I am the door” John 10:9.
In the two statements Jesus Christ tell us that he personifies the Word of God, or to say the Wisdom of God. The bread is a symbol of the wisdom: Man shall not live on bread alone, but on every word that comes from the mouth of God", Matthew 4:4; also this: "wisdom gives life to the one who possesses it", Ecclesiastes 7:12. The wisdom is bread and life, is also a door because is the access to the divine.
The Word of God is the knowledge of the correct means to live, is also the key of science (Luke 11:52).
Theologically God is the origine of the perfections that we see in the Universe, this perfections are called gifts or divine attributes according if they are transmisible or not. Example: the mercy is a gift because is transmisible, omnipotence is a divine attribute. The Word of God is a perfection, a spiritual gift.
Kingdom of God means Empire, Dominion, Kingdom of the divine perfections: empire of the counsel, empire of the peace, kingdom of the perseverance, kingdom of the mercy.
When Jesus affirms: "I am" he is saying that he is the "son of man".
Then we can say that the kingdom of God, in a Theological sense not ethical, has a double meaning. The man makes himself “son of God” that is to say the man lives the gifts, the perfections of God, and on the other side God became "son of man” that is to say the spiritual gifts and perfections of God are personified in Jesús.
From these the 7 affirmations of the "I am" in the Gospel of John. The man became "son of God", the Bread of life became "son of man".