To preach the gospel in the regions beyond you, and not to boast in another man's field of things made ready to our hand.
All Commentaries on 2 Corinthians 10:16 Go To 2 Corinthians 10
Ambrosiaster
AD 400
What Paul wants is to preach the gospel to those to whom the message has not yet been given, so that God will be glorified by his labor. Commentary on Paul’s Epistles.