כָּל־עֲמַ֥ל הָאָדָ֖ם לְפִ֑יהוּ וְגַם־הַנֶּ֖פֶשׁ לֹ֥א תִמָּלֵֽא׃
Tout le labeur de l’homme est au profit de sa bouche, et jamais son désir n’est assouvi.
Rashi on Ecclesiastes
All man’s labor. Is for his mouth, that he should benefit and eat in this world and in the next, but this one had no benefit in his life.
Rashi on Ecclesiastes
Yet his appetite is never filled. This is a question; i.e., but this one, did he not even gratify his desire with a small pleasure? This is similar to, “I will satisfy תִּמְלָאֵמוֹ my lust with them,”9Shemos 15:9. an expression of attaining a desire. And since this is so —