The Apostle Paul
Romans 2:5ESV·traditional attribution

But because of your hard and impenitent heart you are storing up wrath for yourself on the day of wrath when God’s righteous judgment will be revealed.

John Calvin Reformed @genevareformer

5. But according to thy hardness, etc. When we become hardened against the admonitions of the Lord, impenitence follows; and they who are not anxious about repentance openly provoke the Lord. What follows in the text, according to Calvin, is this, “et Corinthians pœni tere nescium — and a heart that knoweth not to repent;” καὶ ἀμετανοητον καρδίαν, which Schleusner renders thus, “animus, qui omnem...

Matthew Henry Presbyterian @wholebiblehenry

In the former chapter the apostle had represented the state of the Gentile world to be as bad and black as the Jews were ready enough to pronounce it. And now, designing to show that the state of the Jews was very bad too, and their sin in many respects more aggravated, to prepare his way he sets himself in this part of the chapter...

Commenting on Romans 2:1-16

John Gill Reformed Baptist @doctorgill

But after thy hardness and impenitent heart,.... The apostle goes on to show, that such persons who promise themselves impunity on the score of prosperity, shall not always go unobserved and unpunished; for there is a day of wrath and righteous judgment hastening on, and will take place after they have filled up the measure of their iniquity.