For if there be first a willing mind, it is accepted according to what a man has, and not according to what he has not.
All Commentaries on 2 Corinthians 8:12 Go To 2 Corinthians 8
Ambrosiaster
AD 400
Paul is exhorting the Corinthians to give what they are able but not to overdo it, because he did not want them to feel that they were acting under compulsion and thus come to be resentful. Commentary on Paul’s Epistles.