מֵשִׁ֣יב יָ֭גָע וְלֹ֣א יִבְלָ֑ע כְּחֵ֥יל תְּ֝מוּרָת֗וֹ וְלֹ֣א יַעֲלֹֽס׃
That which he laboured for shall he give back, and shall not swallow it down; According to the substance that he hath gotten, he shall not rejoice.
Read midrashic interpretation of Job 20:18: and classical rabbinic exegesis.