John Chrysostom

"If we sowed unto you spiritual things, is it a great matter if we shall reap your carnal things?" Lo, he adds also a fourth argument for the duty of yielding support. For since he had said, "What soldier ever serveth at his own charges?" and, "who planteth a vineyard?" and, "who feedeth a flock?" and introduced the ox that treadeth the corn; he points out likewise another most reasonable cause on account of which they might justly receive; viz. having bestowed much greater gifts, no more as having labored only. What is it then? …

Homily on 1 Corinthians 21 ↗

Theophylact of Ohrid

Here he proves the justice of the cause. You, he says, repay unequally for what you have received. For we sowed in you spiritual things, and you repay us with carnal things. Is this a great thing?

Commentary on 1 Corinthians ↗

Augustine of Hippo

By these words the Apostle Paul sufficiently indicates, that it was no usurping unto themselves of aught beyond their due on the part of his fellow-Apostles, that they wrought not bodily, whence they might have the things which to this life are necessary, but as the Lord ordained, should, living by the Gospel, eat bread gratuitously given of them unto whom they were preaching a gratuitous grace. …

Of The Work Of Monks 8-9 ↗

Gregory the Dialogist

Behold, however, he who forbade carrying a purse and bag grants expenses and food from that same preaching. For it is added: "And in the same house remain, eating and drinking such things as are with them. For the laborer is worthy of his hire." If our peace is received, it is fitting that we remain in the same house eating and drinking such things as are with them, so that we may obtain earthly provisions from those to whom we offer the rewards of the heavenly homeland. …

Forty Gospel Homilies, Homily 17 ↗