Job 11:16 Midrash

כִּי־אַ֭תָּה עָמָ֣ל תִּשְׁכָּ֑ח כְּמַ֖יִם עָבְר֣וּ תִזְכֹּֽר׃

For thou shalt forget thy misery; Thou shalt remember it as waters that are passed away;