Therefore if anyone is in Christ, he is a new creation. The old things have passed away. Behold, all things have become new.
ExplanationCommentary
Verse 17. If then any be in Christ, and so forth The sense seems to be, if by believing in Christ we are become as it were new creatures, rescued by his grace and his Spirit, the old things are passed away, we must renounce all former carnal affections, all sin and all errors in which either Jews or Gentiles lived.—Behold all things are made new: the New Testament succeeds to the Old, the law and doctrine of Christ to the law of Moses, the Christian Church to the Jewish Synagogue, truth and grace to types and figures, and so forth Witham.—With the renovated Christian all his thoughts, sentiments, inclinations, and actions, are new.
“Behold”, from “ἰδοὺ”, means look at, take notice, observe, see, or gaze at. It is often used as an interjection.