Proverbs 4:20 Philosophy

בְּ֭נִי לִדְבָרַ֣י הַקְשִׁ֑יבָה לַ֝אֲמָרַ֗י הַט־אָזְנֶֽךָ׃

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

Read Jewish philosophical commentary on Proverbs 4:20: and classical philosophical sources.