Jesus is the true shepherd
Truly, truly, I say to you, he who does not enter the sheepfold by the door but climbs in by another way, that man is a thief and a robber. 2 But he who enters by the door is the shepherd of the sheep. 3 To him the gatekeeper opens. —John 10:1-3
Because He goes in the door
The word of the LORD came to me: 2 “Son of man, prophesy against the shepherds of Israel; prophesy, and say to them, even to the shepherds, Thus says the Lord GOD: Ah, shepherds of Israel who have been feeding yourselves! Should not shepherds feed the sheep? 3 You eat the fat, you clothe yourselves with the wool, you slaughter the fat ones, but you do not feed the sheep. 4 The weak you have not strengthened, the sick you have not healed, the injured you have not bound up, the strayed you have not brought back, the lost you have not sought, and with force and harshness you have ruled them. —Ezekiel 34:1-4
Thus says the Lord GOD, Behold, I am against the shepherds, and I will require my sheep at their hand and put a stop to their feeding the sheep. No longer shall the shepherds feed themselves. I will rescue my sheep from their mouths, that they may not be food for them. —Ezekiel 34:10
I myself will be the shepherd of my sheep, and I myself will make them lie down, declares the Lord GOD. 16 I will seek the lost, and I will bring back the strayed, and I will bind up the injured, and I will strengthen the weak, and the fat and the strong I will destroy. I will feed them in justice…And they shall know that I am the LORD their God with them, and that they, the house of Israel, are my people, declares the Lord GOD. 31 And you are my sheep, human sheep of my pasture, and I am your God, declares the Lord GOD.” —Ezekiel 34:15-16; 30-31
So I exhort the elders among you, as a fellow elder and a witness of the sufferings of Christ, as well as a partaker in the glory that is going to be revealed: 2 shepherd the flock of God that is among you, exercising oversight, not under compulsion, but willingly, as God would have you; not for shameful gain, but eagerly; 3 not domineering over those in your charge, but being examples to the flock. —1 Peter 5:1-3
Whose sheep hear his voice
The sheep hear his voice, and he calls his own sheep by name and leads them out. 4 When he has brought out all his own, he goes before them, and the sheep follow him, for they know his voice. 5 A stranger they will not follow, but they will flee from him, for they do not know the voice of strangers.” —John 10:3-5
Jesus is the door for the sheep
So Jesus again said to them, “Truly, truly, I say to you, I am the door of the sheep.” —John 10:7
Charles Spurgeon –
The illustration is exceedingly simple; who is there that will not understand it? He means that, as by passing through a door we enter into a house, so by passing through Christ Jesus, by faith, we enter into eternal life, and enter into the true Church, and ultimately shall enter into heaven…
He has selected this emblem, I should think, partly that it may often come before our notice. You will not go out of this place without seeing a door; you will not get into your own house without seeing a door; and when you are inside, you will not get into your parlour without seeing a door; and when you go up to bed, you must pass through the door. When you rise, to-morrow morning, and start to go out to your work, you will have to open a door, — two doors probably; and, when you reach your work, there is pretty sure to be another door to be entered.
*Doors meet your gaze almost everywhere, so our Lord Jesus Christ seems to say to you, “I will meet you wherever you are; anywhere and everywhere, I will speak with you, and plead with you. I will make the door of every room in your house, and the door of every cupboard, too, to preach a little sermon to you, as you shall be reminded by it that ‘I am the door.’**
https://www.spurgeon.org/resource-library/sermons/the-door/#flipbook/
I am the door. If anyone enters by me, he will be saved and will go in and out and find pasture. —John 10:9
The thief comes only to steal and kill and destroy. I came that they may have life and have it abundantly. —John 10:10
Abundant Life is a life of:
1. Vibrant Spiritual
2. Robust
3. An Untouchable