ἄνθρωπός ἐστι πνεῦμα καὶ σκιὰ μόνον → human being is only a breath and a shadow, man is but a breath and a shadow
2ᵉ sg. fut. de εἰμί.
ἔσει: или ἔσῃ 2 л. sing. fut. к εἰμί.