Proverbs 15:2

15:2 The tongue of the wise treats knowledge correctly,

but the mouth of the fool spouts out folly.

Job 13:5

13:5 If only you would keep completely silent!

For you, that would be wisdom.

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.

Ecclesiastes 10:3

10:3 Even when a fool walks along the road he lacks sense,

and shows everyone what a fool he is.

Ecclesiastes 10:14

10:14 yet a fool keeps on babbling.

No one knows what will happen;

who can tell him what will happen in the future?