Jn. 10:9. I am the door: whoever enters through Me will be saved, and will enter, and will go out, and will find pasture.
Whoever enters through Me, the door, and is brought to the Father, and becomes His sheep, that one will be saved, and not only will be saved, but will also receive great fearlessness, like both Lord and Master. For this is what is meant by the words "and will go in and go out." So too the apostles boldly went in and came out before rulers, and came out joyful and unconquerable (Acts 5:41).
"And shall find pasture," that is, abundant food. And in another way: since our man is twofold, according to the expression of the Apostle Paul, "the inner and the outer" (Rom. 7:22; 2 Cor. 4:16), it can be said that he enters who cares for the inner man, and he again goes out who "puts to death the members which are on the earth" and "the deeds of the flesh" in Christ (Rom. 8:13). Such a one shall find pasture both in the age to come, according to what is said: "The Lord shepherds me, and I shall not want" (Ps. 22:1).
Jn. 10:10. The thief comes only to steal, kill, and destroy. I have come so that they may have life, and have it in abundance.
Since those who joined Theudas and Judas and the other rebels were killed and perished, He added: "The thief comes only to steal, kill, and destroy," calling them and those like them thieves. "But I," He says, "have come that they may have life." They killed and destroyed their followers, but I came so that they might live and have something more, namely: the communion of the Holy Spirit, by which one must also understand the Kingdom of Heaven. Thus, in Christ all have life, for all shall rise and live; but the righteous shall also receive something more, namely: the Kingdom of Heaven.
Jn. 10:11. I am the good shepherd: the good shepherd lays down his life for the sheep.
Then He speaks also of the sufferings and says: "I lay down My life for the sheep," expressing by this that He goes to His sufferings not by compulsion, but voluntarily. By the word "lay down" He shows that no one takes it from Me, but I Myself give it up.
Jn. 10:12. But the hireling, who is not the shepherd, whose own the sheep are not, sees the wolf coming, and leaves the sheep and flees; and the wolf snatches the sheep and scatters them.
He also hints at the rebels, mentioned more than once. "They," He says, "did not lay down their lives for the sheep, but abandoned their followers, for they were hirelings." But the Lord Himself did the opposite. When they seized Him, He said: "If you seek Me, then let these go their way, that the word might be fulfilled, that none of them perished" (Jn. 18:8–9, 12), and this at a time when the Jews came against Him worse than wolves against sheep. "For they came," it says, "with swords and clubs to seize Him" (Lk. 22:52).
By the wolf here one can also understand the mental enemy, whom Scripture calls both a lion (1 Pet. 5:8), and a scorpion (Luke 10:19), and a serpent (Gen. 3:1; Ps. 91:13). It is said that he "snatches" the sheep when he devours someone through an evil deed; he "scatters" when by means of evil thoughts he disturbs the soul. He can rightly be called a thief as well, who "steals" through crafty thoughts, "kills" through consent to them, and "destroys" through the deed itself. Sometimes a malicious thought assails someone — this is the stealing. If the person consents to the wicked suggestion, then, one might say, the devil kills him. And when the person actually carries out the evil, then he perishes. Perhaps this is also what the words mean: "The thief comes only to steal, kill, and destroy."
Jn. 10:13. But the hireling flees, because he is a hireling, and does not care about the sheep.
The Lord acts quite differently from this thief. He gives divine life, illuminates both our thoughts with good inspirations and our bodies with good deeds; He gives also something superabundant, namely that we can bring benefit to others as well through the gift of teaching, and also the Kingdom of Heaven, as if granting us some additional reward. He is truly the Good Shepherd, and not a hireling, as were the Jewish leaders, who did not care for the people but had in view only to receive payment from them. For they sought not the benefit of the people, but their own profit from the people.
Jn. 10:14. I am the good shepherd; and I know My own, and My own know Me.
And from this you can learn the difference between a shepherd and a hireling. The hireling does not know the sheep, which comes from the fact that he does not watch over them constantly. For if he constantly watched, he would know them. But the shepherd, such as the Lord is, knows His own sheep, and therefore cares for them, and they in turn know Him, because they benefit from His watchfulness and by habit recognize their Protector.
Look. First He knows us, and then we know Him. And it is not possible to know God otherwise than by being known by Him (1 Cor. 13:12). For He first made Himself one with us through the flesh, becoming Man, and then we were made one with Him, receiving the gift of deification. Wishing to show that those who did not believe are unworthy of being known by God and are not His sheep, He said: "I know My own, and My own know Me," as it is written: "The Lord knows those who are His" (2 Tim. 2:19).
Jn. 10:15. As the Father knows Me, so I also know the Father; and I lay down My life for the sheep.
Lest anyone think that He was learning as a man, He added: "As the Father knows Me, and I know the Father," that is — I know Him as truly as I know Myself.
He frequently repeats "I lay down My life for the sheep" in order to show that He is not a deceiver. For the expressions "I am the Light, I am the Life" seemed arrogant to the foolish. But the words "I wish to die" contain no self-boasting, but on the contrary express great care, since He wishes to give Himself up for the people who were casting stones at Him.
Jn. 10:16. I have other sheep also, which are not of this fold,
This speaks of the Gentiles. They are not of that fold which is under the law. For the Gentiles are not fenced in by the law.
Jn. 10:16. And those it is necessary for Me to bring: and they will hear My voice,
For both these are in the dispersion, and those have no shepherds. And the prudent and most capable of faith among the Jews were without shepherds; consequently, all the more so the Gentiles.
I "must" gather both the Gentiles and the Jews. The word "must" here does not signify compulsion, but rather that which will inevitably follow.
Jn. 10:16. And there will be one flock, and one Shepherd.
"In Christ Jesus there is neither Jew nor Gentile" (Gal. 3:28), and no distinction whatsoever. For all share one form, one seal of baptism, one Shepherd, the Word of God and God. Let the Manichaeans be ashamed, who reject the Old Testament, and let them hear that there is one flock and one Shepherd; for one and the same God is the God of the Old and the New Testament.