13 At the beginning their words are folly; at the end they are wicked madness—

Read Ecclesiastes 10:13 Using Other Translations

The beginning of the words of his mouth is foolishness: and the end of his talk is mischievous madness.
The beginning of the words of his mouth is foolishness, and the end of his talk is evil madness.
Fools base their thoughts on foolish assumptions, so their conclusions will be wicked madness;