The Apostle Paul
2 Corinthians 8:8ESV·traditional attribution

I say this not as a command, but to prove by the earnestness of others that your love also is genuine.

John Calvin Reformed @genevareformer

8. I speak not according to commandment Again he qualifies his exhortation, by declaring that he did not at all intend to compel them, as if he were imposing any necessity upon them, for that is to speak according to commandment, when we enjoin any thing definite, and peremptorily require that it shall be done.

Matthew Henry Presbyterian @wholebiblehenry

In these verses the apostle uses several cogent arguments to stir up the Corinthians to this good work of charity. I. He urges upon them the consideration of their eminence in other gifts and graces, and would have them excel in this of charity also, Co2 8:7. Great address and much holy art are here used by the apostle.

Commenting on 2 Corinthians 8:7-15

John Gill Reformed Baptist @doctorgill

I speak not by commandment,.... Either of God, who has not fixed the certain times when, or certain sums which persons are to give, and other circumstances, which are left to discretion; but in general has signified it as his will, that those in necessity are to be relieved by such who are in ability to do it: or as an apostle, he did not...