Ecclesiastes 5:3

5:3 Just as dreams come when there are many cares,

so the rash vow of a fool occurs when there are many words.

Proverbs 13:16

13:16 Every shrewd person acts with knowledge,

but a fool displays his folly.

Proverbs 18:2

18:2 A fool takes no pleasure in understanding

but only in disclosing what is on his mind.

Proverbs 18:6

18:6 The lips of a fool enter into strife,

and his mouth invites a flogging.

Proverbs 18:1

18:1 One who has isolated himself seeks his own desires;

he rejects all sound judgment.

Proverbs 4:4

4:4 he taught me, and he said to me:

“Let your heart lay hold of my words;

keep my commands so that you will live.