Proverbs 22:10 shows driving out a mocker removes strife, reinforcing that scoffers are abominable.

In Proverbs 23:7, as a man thinks in his heart, so he is—reinforcing that devising folly is sin because thoughts define character.

Proverbs 29:8 describes mockers stirring up a city, illustrating the societal harm of scoffers.

Proverbs 15:26 declares wicked thoughts an abomination to the LORD, mirroring the scoffer's abomination.

In Genesis 8:21, God says the intent of man's heart is evil from youth, confirming the inherent sinfulness of foolish thoughts.

In Acts 8:22, Peter tells Simon to repent of the intention of his heart, linking to Proverbs 24:9 that devising foolishness is sin.

In Matthew 15:19, Jesus lists evil thoughts as the source of sins, expanding on Proverbs 24:9's point about devising folly.

In Matthew 9:4, Jesus confronts evil thoughts, showing that such devising is indeed sin as Proverbs 24:9 states.

In Matthew 5:28, Jesus teaches that lustful thoughts are adultery—reinforcing that inner intentions are sinful as in Proverbs 24:9.

In Jeremiah 4:14, Jerusalem must wash its heart from evil thoughts, echoing that devising foolishness is sin.

In Isaiah 55:7, the wicked are called to forsake their thoughts, showing repentance from the sinful devising Proverbs 24:9 condemns.

In Genesis 6:5, every intent of man's heart was only evil continually, mirroring the sinful devising condemned in Proverbs 24:9.

Mark 7:21 lists evil thoughts from the heart, directly connecting to the devising of foolishness as sin.

Isaiah 59:7 describes thoughts of iniquity leading to evil deeds, showing the outcome of devising foolishness.

In Psalm 119:113, the psalmist hates the double-minded—paralleling the scoffer being an abomination in Proverbs 24:9.

In 2 Corinthians 10:5, Paul expands on taking every thought captive to Christ, aligning with the devising of foolishness as sin.

Deuteronomy 15:9 warns against a base thought leading to sin, paralleling the devising of foolishness.