σκιᾶς ὄναρ ἄνθρωπος
From LSJ
ἐπάμεροι· τί δέ τις; τί δ' οὔ τις; σκιᾶς ὄναρ ἄνθρωπος → Neverlasting: What is a somebody? What is a nobody? You are a dream of a shadow | Creatures of a day. What is a someone, what is a no one? Man is the dream of a shade.
Spanish
sueño de una sombra es el hombre
Dutch (Woordenboekgrieks.nl)
de mens is het droombeeld van een schaduw
Russian (Dvoretsky)
сон тени человек, человек сон теней
Portuguese
o homem é o sonho de uma sombra