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
grin as a dog: Ar. σαίρειν; see also laugh.
grin at: Ar. ἐγχάσκειν (dat.).
