Proverbs 21:26 Kabbalah

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 kabbalistic (mystical) interpretation of Proverbs 21:26: and classical mystical sources.