Prov.5.2

Proverbs 5:2

KJV

That thou mayest regard discretion, and that thy lips may keep knowledge.

Proverbs 3:21

KJV

¶ My son, let not them depart from thine eyes: keep sound wisdom and discretion:

Malachi 2:7

KJV GOD

For the priest’s lips should keep knowledge, and they should seek the law at his mouth: for he is the messenger of the Lord of hosts.