Reference for Ecclesiastes 6:7

כָּל־עֲמַ֥ל הָאָדָ֖ם לְפִ֑יהוּ וְגַם־הַנֶּ֖פֶשׁ לֹ֥א תִמָּלֵֽא׃

All the labour of man is for his mouth, And yet the appetite is not filled.

Explore reference for Ecclesiastes 6:7. In-depth commentary and analysis from classical Jewish sources.