Proverbs 3:3 Philosophy

חֶ֥סֶד וֶאֱמֶ֗ת אַֽל־יַעַ֫זְבֻ֥ךָ קָשְׁרֵ֥ם עַל־גַּרְגְּרוֹתֶ֑יךָ כָּ֝תְבֵ֗ם עַל־ל֥וּחַ לִבֶּֽךָ׃

Let not kindness and truth forsake thee; Bind them about thy neck, write them upon the table of thy heart;

Read Jewish philosophical commentary on Proverbs 3:3: and classical philosophical sources.