Proverbs 9:18 (BSB)

But they do not know that the dead are there, that her guests are in the depths of Sheol.

From Proverbs 9. Also in the ESV.

Commentary on Proverbs 9:18

• Matthew Henry (Presbyterian), Matthew Henry's Complete Commentary on Proverbs 9:13-18: We have heard what Christ has to say, to engage our affections to God and godliness, and one would think the whole world should go after him; but here we are told how industrious the tempter is to seduce unwary souls into the paths of sin, and with the most he gains his point, and Wisdom's courtship is not effectual. Now observe, I.
• Jamieson-Fausset-Brown (Reformed), Commentary Critical and Explanatory on the Whole Bible on Proverbs 9:18: (Compare Pro 2:18-19; Pro 7:27). Next: Proverbs Chapter 10
• Keil & Delitzsch (Lutheran), Biblical Commentary on the Old Testament on Proverbs 9:18: Pro 9:18 He goes within: 18 And he knows not that the dead are there; In the depths of Hades, her guests. How near to one another the house of the adulteress and Hades are, so that a man passes through the one into the other, is already stated in Pro 2:18; Pro 7:27.