John Trapp on Proverbs 22:20

Verſ. 20. Have not I written to thee excellent things?] Heb. Princely things, Principles for Princes; Rare and Royal ſentences. The word ſignifies (ſay ſome) the third man in the Kingdome for Authority and Dignity. Others read the words thus, Have not I three times written for thee concerning Counſels and Knowledge, meaning his three books, Proverbial, Penitential, Nuptial. Key of the Bible by Mr. Roberts. The Canticles were penned perhaps in his younger years (ſaith one) when his affections were more warm, active and lively in ſpirituals. The Proverbs in his manly ripe age, when his Prudence and parts were at higheſt, moſt grave, ſolid, ſetled. Eccleſiaſtes in his old age, &c.