20 Such is the way of an adulterous woman: she eateth, and wipeth her mouth, and saith, I have done no wickedness.

Matthew Henry's Commentary on Proverbs 30:20

Commentary on Proverbs 30:18-20

(Read Proverbs 30:18-20)

Four things cannot be fully known. The kingdom of nature is full of marvels. The fourth is a mystery of iniquity; the cursed arts by which a vile seducer gains the affections of a female; and the arts which a vile woman uses to conceal her wickedness.