Commentaries:
Jamieson, Fausset, and Brown
know that I am in the midst of Israel—As in the Old Testament dispensation God was present by the Shekinah, so in the New Testament first, for a brief time by the Word made flesh dwelling among us (John 1:14), and to the close of this dispensation by the Holy Spirit in the Church (Matthew 28:20), and probably in a more perceptible manner with Israel when restored (Ezekiel 37:26-28).
never be ashamed—not an unmeaning repetition from Joel 2:26. The twice-asserted truth enforces its unfailing certainty. As the "shame" in Joel 2:26 refers to temporal blessings, so in this verse it refers to the spiritual blessings flowing from the presence of God with His people (compare Jeremiah 3:16-17; Revelation 21:3).
Other Jamieson, Fausset, and Brown entries containing Joel 2:27:
Jeremiah 31:32
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