Proverbs 5:2 Kabbalah

לִשְׁמֹ֥ר מְזִמּ֑וֹת וְ֝דַ֗עַת שְׂפָתֶ֥יךָ יִנְצֹֽרוּ׃

That thou mayest preserve discretion, And that thy lips may keep knowledge.

Read kabbalistic (mystical) interpretation of Proverbs 5:2: and classical mystical sources.