Commentaries:
Robertson's Word Pictures (NT)
Be not fashioned (mh sunsxhmatizesqe). Present passive imperative with mh, stop being fashioned or do not have the habit of being fashioned. Late Greek verb susxhmatizw, to conform to another's pattern (I Corinthians 7:31; Philippians 2:7 f.). In N.T. only here and I Peter 1:14.
According to this world (tw aiwni toutw). Associative instrumental case. Do not take this age as your fashion plate.
Be ye transformed (metamorfousqe). Present passive imperative of metamorfow, another late verb, to transfigure as in Matthew 17:2 (Mark 9:2); II Corinthians 3:18, which see. On the distinction between sxhma and morfh, see Philippians 2:7. There must be a radical change in the inner man for one to live rightly in this evil age, "by the renewing of your mind" (th anakainwsei tou noov). Instrumental case. The new birth, the new mind, the new (kainov) man.
That ye may prove (eiv to dokimazein). Infinitive of purpose with eiv to, "to test" what is God's will, "the good and acceptable and perfect" (to agaqon kai euareston kai teleion).
Other Robertson's Word Pictures (NT) entries containing Romans 12:2:
Matthew 17:2
Romans 12:1
1 Corinthians 4:6
Colossians 3:10
Titus 3:5
Hebrews 13:21
James 1:25
1 Peter 1:14
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