2nd Reading, 18th Sunday in Ordinary Time

From: Ephesians 4:17, 20-24

Spiritual Renewal
[17] Now this I affirm and testify in the Lord, that you must no longer live as the Gentiles do, in the futility of their minds. [20] You did not so learn Christ!--[21] assuming that you have heard about him and were taught in him, as the truth is in Jesus. [22] Put off your old nature which belongs to your former manner of life and is corrupt through deceitful lusts, [23] and be renewed in the spirit of your minds, [24] and put on the new nature, created after the likeness of God in true righteousness and holiness.
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Commentary:
17-19. The Christian, who has been configured to Christ by Baptism, is called to holiness and therefore should not lead a dissolute life alienated from God, as the Gentiles do. The "futility of their minds" has led them away from God, the source of all truth (cf. Rom 1:18-32). Hence it is that when man is put in the place of God the mind operates in a vacuum and the resulting knowledge produces nothing but mere illusion and total deceit.

As St Paul tells the Romans, people who act in that way are those "who by their wickedness suppress the truth" (Rom 1:18). It is true that the human mind is capable of recognizing God as the creator of all things; but when people give their passions full rein, their will becomes weakened; they thus suppress the truth and their minds easily tend to adopt wrong ideas. All this is a result of arrogance and pride which makes man unwilling to accept God and acknowledge his own limitations as a creature: this eventually leads to the "ignorance that is in them, due to their hardness of heart" (v. 18).

Impurity opens the way to a whole series of vices and disorders connected with greed (cf. notes on Rom 1:29-31 and Rom 1:32). The term "callous" is used to indicate that these people lost their desire to try to lead a good life and even lose their very sense of morality.

22-24. The sacred text emphasizes two basic points--one's duty to put off one's "old nature" (the "old man") and, in parallel with that, the urgent need to put on the "new nature" (the "new man"). These two expressions refer directly to the symbolism of Christian Baptism, which effects the transition from the life of sin to the life of grace, thanks to the merits of Christ (cf. Rom 6:3-11).

In Baptism we have "put on Christ" (Gal 3:27) and become "partakers of the divine nature" (2 Pet 1:4). From that moment onwards a Christian's life is so radically different that to revert to one's previous--pagan--conduct is the greatest insult we could offer the body of Christ. St Paul, therefore, is not just exhorting people to root out this or that defect, but to strip themselves of the "old nature" entirely.

The "old nature" is the carnal man, vitiated from conception by original sin and become the slave of his own passions; whereas, the "new man" has been born again through the Holy Spirit at Baptism: he is no longer ruled by sin, although he is still subject to passions which have been made unruly by sin. That is why the Apostle urges us to put off the "old nature" by fighting against disordered desires and their evil effects (cf. Rom 6:12-14; 8:5-8) and by being conscious that the renewal brought about by the Holy Spirit helps the baptized person to see each and every event in his life from a new, supernatural perspective, as befits the "new man".

The change from the old to the new nature St Paul describes in terms of creation (v. 24). It does not involve any external change, as when someone changes his clothes, but rather an inner renewal, whereby the Christian, by becoming a new creature in Jesus Christ, is enabled to practice righteousness and holiness in a manner that exceeds his natural human capacity. It is not enough, then, for one to have simply a veneer of piety. "Entering the church and venerating sacred images and crosses is not sufficient for pleasing God, just as washing one's hands does not make one clean all over. What truly pleases God is that a person flees from sin and gets rid of his stains by means of confession and penance. Let him break the chains of his faults by being humble of heart" (St Anastasius of Sinai, "Sermon on the Holy Synaxis").

This inner renewal of the person is something which takes a lifetime. "The power of God is made manifest in our weakness and it spurs us on to fight, to battle against our defects, although we know that we will never achieve total victory during our pilgrimage on earth. The Christian life is a continuous beginning again each day. It renews itself over and over" (St. J. Escriva, "Christ Is Passing By", 114).
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Source: "The Navarre Bible: Text and Commentaries". Biblical text taken from the Revised Standard Version and New Vulgate. Commentaries made by members of the Faculty of Theology of the University of Navarre, Spain. Published by Four Courts Press, Kill Lane, Blackrock, Co. Dublin, Ireland. Reprinted with permission from Four Courts Press and Scepter Publishers, the U.S. publisher.