Commentaries:
Jamieson, Fausset, and Brown
refreshed my spirit and yours—"yours" will be refreshed on receiving this letter, by knowing that "my spirit is refreshed" by their having come to me from you; and (perhaps) by the good report they gave of many of you (I Corinthians 1:4-8); my refreshment of spirit redounds to yours, as being my disciples (II Corinthians 7:13; compare Zechariah 6:8).
acknowledge—render them due acknowledgments by a kind reception of them: I Thessalonians 5:12, "know" them in their true worth and treat them accordingly.
Other Jamieson, Fausset, and Brown entries containing 1 Corinthians 16:18:
1 Corinthians 16:17
1 Thessalonians 5:12
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