know

Ecclesiastes 12:10
The Teacher searched to find delightful sayings and to record accurate words of truth.

Daniel 4:27
Therefore, may my advice be pleasing to you, O king. Break away from your sins by doing what is right, and from your iniquities by showing mercy to the oppressed. Perhaps there will be an extension of your prosperity."

Titus 2:8
and wholesome speech that is above reproach, so that anyone who opposes us will be ashamed to have nothing bad to say about us.

but

Proverbs 11:11
By the blessing of the upright a city is built up, but by the mouth of the wicked it is torn down.

Proverbs 12:6, 18
The words of the wicked lie in wait for blood, but the speech of the upright rescues them. . . .

Proverbs 15:2, 28
The tongue of the wise commends knowledge, but the mouth of the fool spouts folly. . . .

Proverbs 18:6-8
A fool's lips bring strife, and his mouth invites a beating. . . .

frowardness