Who or what is the new man? Charles Whitaker explains that the new man is Jesus Christ Himself, living in us by His Spirit!
John Ritenbaugh affirms that the Christian's hope constitutes an incremental acquisition of God's glory; that is what the New Covenant is all about. At this point in time, Christ is the only one who has received His inheritance, becoming the first-born of many brethren (Romans 8:29; Hebrews 2:10), having a glorified spiritual body (Revelation 1:13-16). Our hope, as we yield to God, is to be like Him (I John 3:1-3), to become a glorified member of God's family. Christ's sacrifice enabled us to get close to God, establishing a family relationship with Him. As we participate in the New Covenant, we go through the stages of justification, sanctification, and ultimately glorification as part of Christ's body.
John Ritenbaugh reiterates that the problem with the Old Covenant was with the people, not with the Law, as some have alleged. Paul uses the term "covenant" to describe an agreement made by two consenting parties and "testament" to describe the unilateral, one-sided commitment made by God to improve the promises (eternal life) and the means to keep the commandments (God's Holy Spirit). The New Covenant will be consumated at Christ's return during the marriage of the Lamb when God's Law will have been permanently assimilated into His bride during an engagement (sanctification) process.
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