Ζῆν οὐκ ἄξιος, ὅτῳ μηδὲ εἷς ἐστι χρηστὸς φίλος → Life is not worth living if you do not have at least one friend.
perfectly: P. and V. ἀμέμπτως.
in accordance with one's ideals: use P. κατ' εὐχήν.
