כָּל־הַ֭יּוֹם הִתְאַוָּ֣ה תַאֲוָ֑ה וְצַדִּ֥יק יִ֝תֵּ֗ן וְלֹ֣א יַחְשֹֽׂךְ׃
There is that coveteth greedily all the day long; But the righteous giveth and spareth not.
Read Jewish philosophical commentary on Proverbs 21:26: and classical philosophical sources.