Moses
Deuteronomy 30:1ESV·traditional attribution

“And when all these things come upon you, the blessing and the curse, which I have set before you, and you call them to mind among all the nations where the LORD your God has driven you,

John Calvin Reformed @genevareformer

1. And it shall come to pass, when all these things are come. He again confirms what we have elsewhere seen, that God never so severely afflicts His Church as not to be ready to return to mercy; nay, that by their punishments, however cruel in appearance, the afflicted, who were destroying themselves as if their hearts were bent upon it, are invited to repentance, so as to obtain pardon.

Matthew Henry Presbyterian @wholebiblehenry

These verses may be considered either as a conditional promise or as an absolute prediction. I. They are chiefly to be considered as a conditional promise, and so they belong to all persons and all people, and not to Israel only; and the design of them is to assure us that the greatest sinners, if they repent and be converted, shall have their sins pardoned...

Commenting on Deuteronomy 30:1-10

John Gill Reformed Baptist @doctorgill

And it shall come to pass, when all these things are come upon thee,.... Declared, pronounced, foretold, and prophesied of in the three preceding chapters, especially in Deu 28:1, the blessing and the curse which I have set before thee; the blessings promised to those that pay a regard to the will of God and obey his voice, and curses threatened to the see Deu...