Φιλεῖ δ' ἑαυτοῦ πλεῖον οὐδεὶς οὐδένα → Haud ullus alii quam sibi est amicior → Es liebt ja keiner einen andern mehr als sich
accomplishing nothing: P. ἄπρακτος, P. and V. ἀνήνυτος.
useless: P. and V. μάταιος, κενός, ἄχρειος, ἀνωφελής; see useless.
fruitless: P. ἄκαρπος, V. ἀκάρπωτος.