Proverbs 4:20 Kabbalah

בְּ֭נִי לִדְבָרַ֣י הַקְשִׁ֑יבָה לַ֝אֲמָרַ֗י הַט־אָזְנֶֽךָ׃

My son, attend to my words; Incline thine ear unto my sayings.

Read kabbalistic (mystical) interpretation of Proverbs 4:20: and classical mystical sources.