Parallel
Ecclesiastes 6:7
Rahlfs Septuagint (1935) · Berean Standard Bible
πᾶς μόχθος τοῦ ἀνθρώπου εἰς στόμα αὐτοῦ καί γε ἡ ψυχὴ οὐ πληρωθήσεται
All a man’s labor is for his mouth, yet his appetite is never satisfied (note: Hebrew filled).