lashest

And yet, thou hellish torrent, into thee are cast the sons of men with rich rewards, for compassing such learning; and a great solemnity is made of it, when this is going on in the forum, within sight of laws appointing a salary beside the scholar’s payments, and thou lashest thy rocks and roarest, “Hence words are learnt; hence eloquence; most necessary to gain your ends, or maintain opinions.

The First Book 1909

For if thou seest a horse hurrying down a precipice, thou appliest a bit and holdest him in with violence and lashest him frequently; although this is punishment, yet the punishment itself is the mother of safety.

NPNF1-12. Saint Chrysostom: Homilies on the Epistles of Paul to the Corinthians Editor 1889

Now thou whisperest softly as if thy ripples conveyed faint murmurs of love; -- but, if the gale arise, thou canst burst forth into notes of laughter as thy waters leap to the shore with bounding mirth; -- and, if the wind grow higher, thou canst speak louder and more menacingly; till, when the storm comes on, thou lashest thyself into a fury, -- thou boilest with rage, and thy wrathful voice vies with the rush of the tempest and the roar of the thunder!

Wagner, the Wehr-Wolf 1846

And yet, thou hellish torrent, into thee are cast the sons of men with rich rewards, for compassing such learning; and a great solemnity is made of it, when this is going on in the forum, within sight of laws appointing a salary beside the scholar’s payments; and thou lashest thy rocks and roarest, “Hence words are learnt; hence eloquence; most necessary to gain your ends, or maintain opinions.”

The Confessions 1999