הִנֵּ֧ה עֲבָדַ֛י יָרֹ֖נּוּ מִטּ֣וּב לֵ֑ב וְאַתֶּ֤ם תִּצְעֲקוּ֙ מִכְּאֵ֣ב לֵ֔ב וּמִשֵּׁ֥בֶר ר֖וּחַ תְּיֵלִֽילוּ׃
Behold, My servants shall sing For joy of heart, But ye shall cry for sorrow of heart, And shall wail for vexation of spirit.
Read Jewish philosophical commentary on Isaiah 65:14: and classical philosophical sources.