לָמָּה־זֶּ֣ה מְחִ֣יר בְּיַד־כְּסִ֑יל לִקְנ֖וֹת חָכְמָ֣ה וְלֶב־אָֽיִן׃
Wherefore is there a price in the hand of a fool To buy wisdom, seeing he hath no understanding?
Read Jewish philosophical commentary on Proverbs 17:16: and classical philosophical sources.