Ecclesiastes 10:1-3; Ecclesiastes 10:12-15

1 As dead flies cause even a bottle of perfume to stink, so a little foolishness spoils great wisdom and honor. 2 A wise person chooses the right road; a fool takes the wrong one. 3 You can identify fools just by the way they walk down the street!
12 Wise words bring approval, but fools are destroyed by their own words. 13 Fools base their thoughts on foolish assumptions, so their conclusions will be wicked madness; 14 they chatter on and on. No one really knows what is going to happen; no one can predict the future. 15 Fools are so exhausted by a little work that they can’t even find their way home.