But I have used none of these things: neither have I written these things, that it should be so done unto me: for it were better for me to die, than that any man should make my boasting void.
All Commentaries on 1 Corinthians 9:15 Go To 1 Corinthians 9
Cornelius a Lapide
AD 1637
For it were better for me to die than that any man should make my glorying void. His glorying has for its subject the preaching of the Gospel without charge, or his work of liberality, free grace, and supererogation, as is evident from ver18. It appears from this that it is an Evangelical counsel to preach the Gospel without charge, as is now done by some apostolic and religious men. So Theophylact, Theodoret, and Anselm. Cf. also Chrysostom and Anselm.
Observe that S. Paul does not speak of his glory but his glorying, viz, that which he could make before God and before men, especially before the false apostles, who were held of great account and sumptuously maintained by the Corinthians. Cf. 2 Corinthians 11:7, for similar "glorying."