Commentaries:
Adam Clarke
Paul, an apostle - Paul, commissioned immediately by Jesus Christ himself, according to the will of God, to preach the Gospel to the Gentiles. See on I Corinthians 1:1 (note).
In all Achaia - The whole of the Peloponnesus, or that country separated from the main land by the Isthmus of Corinth. From this we may learn that this epistle was not only sent to the Church at Corinth, but to all the Churches in that country.
Other Adam Clarke entries containing 2 Corinthians 1:1:
2 Corinthians 12:7
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