I am the door: by me if any man enter in, he shall be saved,
and shall go in and out, and find pasture.
I am the good shepherd:the good shepherd giveth his life for the sheep.
Here St John laying out an extremely complicated picture of God. A God transforms between a static and kinetic form, a door and shepherd.
When Jesus say I am the door he must be defining his role in our life as an opportunity to a sacred life and peacefulness. If we are ready to keep him as a door to our mind and body he can shut our thoughts and acts from unwanted instincts and he can open the same to fruitful implementations. The safety reign in our soul all the time.
As shepherd, Jesus offers new green pastures for our soul. The green pasture is plenty as it is his own words that he heard from his father. The still water always replenish, as he is ready to give his Holy Spirit to all. It is a new endeavor for the soul with his full guidance and support. It may be the same path he once travelled, through the valley of the shadow of death. But his guidance and protection is eminent enough to find a peace in our inner heart and to rejoice in God. The journey through shadow of death is sometimes essential, as it seems the God welcome it for every soul at least once, as a token of trust.
The true bond between a sheep and shepherd, a true love in between, may not be a spontaneous one – there may be induction. A provocation from God, on the day of baptism and an endless exercise of soul, deliberately builds the bond. Where the instinct was engulfed by the first sin from the Serpent, a door opening by new shepherd, Jesus Christ, is worth enough to claim the fruit of the trees of the garden before God, by redeeming the blood of His only Son. The loser is God itself and the winner is the man in Eden. Praise to God.
Therefore doth my Father love me, because I lay down my life, that I might take it again.
The demanding nature of his redemption of his life before his father is mystifying. In reality the nature of love is demanding in itself. I think here Jesus differentiate love and charity. The bond in charity is temporary; it causes an act but may not engage an affiliation. Jesus claims his herds in front of his father in his prayer. And all mine are thine, and thine are mine; and I am glorified in them. (John 17). Thus at the very end the door shuts keeping herds in safety and tranquility. Now the herds are all his own, by the very bond of love he poured over the souls and by a procurement in exchange of his own blood.