Commentaries:
Jamieson, Fausset, and Brown
beloved—Sound doctrine kindles Christian love.
steadfast—not turning aside from the faith of the resurrection of yourselves.
unmovable—not turned aside by others (I Corinthians 15:12; Colossians 1:23).
the work of the Lord—the promotion of Christ's kingdom (Philippians 2:30).
not in vain—as the deniers of the resurrection would make it (I Corinthians 15:14, I Corinthians 15:17).
in the Lord—applying to the whole sentence and its several clauses: Ye, as being in the Lord by faith, know that your labor in the Lord (that is, labor according to His will) is not to be without its reward in the Lord (through His merits and according to His gracious appointment).
Other Jamieson, Fausset, and Brown entries containing 1 Corinthians 15:58:
Ezekiel 47:12
Colossians 1:23
2 Thessalonians 2:17
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