ἄνευ γὰρ φίλων οὐδεὶς ἕλοιτ᾽ ἂν ζῆν, ἔχων τὰ λοιπὰ ἀγαθὰ πάντα → without friends no one would choose to live, though he had all other goods
examine, watch, observe carefully (see also: ἐπωπάω, ἐπωπῶ)