The Apostle Peter
2 Peter 2:9ESV·traditional attribution

then the Lord knows how to rescue the godly from trials, and to keep the unrighteous under punishment until the day of judgment,

John Calvin Reformed @genevareformer

9. The Lord knoweth. What first offends the weak is, that when the faithful anxiously seek aid, they are not immediately helped by God; but on the contrary he suffers them sometimes as it were to pine away through daily weariness and languor; and secondly, when the wicked grow wanton with impunity and God in the meantime is silent, as though he connived at their evil deeds.

Matthew Henry Presbyterian @wholebiblehenry

When God sends destruction on the ungodly, he commands deliverance for the righteous; and, if he rain fire and brimstone on the wicked, he will cover the head of the just, and they shall be hid in the day of his anger. This we have an instance of in his preserving Lot. Here observe, 1.

Commenting on 2 Peter 2:7-9

John Gill Reformed Baptist @doctorgill

That "fear him", as the Syriac version renders it; or that "rightly worship", as the Arabic; such as Noah and Lot, men that know God in Christ spiritually and experimentally; that believe in him, love him, fear him, worship him in spirit and truth, and live soberly, righteously, and godly.