Οὐκ ἔστιν ἀγαθὸν ἐν ἀνθρώπῳ ὃ φάγεται καὶ ὃ πίεται καὶ ὃ δείξει τῇ ψυχῇ αὐτοῦ ἀγαθὸν ἐν μόχθῳ αὐτοῦ (Ecclesiastes 2:24, LXX version) → What is good in a human is not what he eats and drinks and shows off to his soul as a benefit of his labor
dor. p. τοῦ, gén. masc. et neutre de l’art. ὁ, ἡ, τό.
dat. of τό, then, therefore.