Proverbs 10:23
To work out evil devices is as laughter to a fool; so wisdom is to a man of understanding.
Proverbs 15:21
Folly is joy to him who is without any wisdom, but a man of understanding walks uprightly.
Proverbs 2:14
who rejoice to do evil and delight in the perversities of the wicked;
Proverbs 14:9
Fools laugh at sin, but among the righteous there is favor.
Proverbs 26:18-19
or like a madman who throws firebrands, arrows, and death.
Ecclesiastes 11:9
Rejoice, in your youth, young man; and let your heart cheer you in the days of your youth, and walk in the ways of your heart, and in the sight of your eyes; but know that for all these things God will bring you into judgment.