Ecclesiastes 10:3
Furthermore, the way a fool lives shows he has no sense; he proclaims to everyone that he's a fool.
Proverbs 13:16
Every sensible person acts from knowledge, but a fool demonstrates folly.
Proverbs 18:2
A fool finds no satisfaction in trying to understand, for he would rather express his own opinion.
Proverbs 18:6
A fool's words bring strife, and his mouth invites fighting.
Ecclesiastes 5:3
Too many worries lead to nightmares, and a fool is known from talking too much.
1 Peter 4:4
They insult you now because they are surprised that you are no longer joining them in the same excesses of wild living.