καὶ οὐκ ἔστιν πᾶν πρόσφατον ὑπὸ τὸν ἥλιον → and there's nothing new under the sun (Eccl. 1:9 LXX)
Met., P. and V. ἔντονος, σύντονος.
the hands of the young are braced for action: V. νέων τοι δρᾶν μὲν ἔντονοι χέρες (Eur., Fragment).