Bible verses about Fools
(From Torrey's Topical Textbook)

All men are, without the knowledge of God Titus 3:3 Deny God Psalms 14:1; 53:1 Blaspheme God Psalms 74:18 Reproach God Psalms 74:22 Make a mock at sin Proverbs 14:9 Despise instruction Proverbs 1:7; 15:5 Hate knowledge Proverbs 1:22 Delight not in understanding Proverbs 18:2 Sport themselves in mischief Proverbs 10:23 Walk in darkness Ecclesiastes 2:14 Hate to depart from evil Proverbs 13:19 Worship of, hateful to God Ecclesiastes 5:1 ARE Corrupt and abominable Psalms 14:1 Self-sufficient Proverbs 12:15; Romans 1:22 Self-confident Proverbs 14:16 Self-deceivers Proverbs 14:8 Mere professors of religion Matthew 25:2-12 Full of words Ecclesiastes 10:14 Given to meddling Proverbs 20:3 Slanderers Proverbs 10:18 Liars Proverbs 10:18 Slothful Ecclesiastes 4:5 Angry Ecclesiastes 7:9 Contentious Proverbs 18:6 A grief to parents Proverbs 17:25; 19:13 Come to shame Proverbs 3:35 Destroy themselves by their speech Proverbs 10:8,14; Ecclesiastes 10:12 The company of, ruinous Proverbs 13:20 Lips of, a snare to the soul Proverbs 18:7 Cling to their folly Proverbs 26:11; 27:22 Worship idols Jeremiah 10:8; Romans 1:22,23 Trust to their own hearts Proverbs 28:26 Depend upon their wealth Luke 12:20 Hear the gospel and obey it not Matthew 7:26 The mouth of, pours out folly Proverbs 15:2 Honour is unbecoming for Proverbs 26:1,8 God has no pleasure in Ecclesiastes 5:4 Shall not stand in the presence of God Psalms 5:5 Avoid them Proverbs 9:6; 14:7 Exhorted to seek wisdom Proverbs 8:5 Punishment of Psalms 107:17; Proverbs 19:29; 26:10 Exemplified Rehoboam I Kings 12:8 Israel Jeremiah 4:22 Pharisees Matthew 23:17,19