Cito lutum colligit amnis exundans.
Ambrosius, De Officiis Ministrorum, 1.3.12
An overflowing stream quickly gathers mud.
St Ambrose of Milan, On the Duties of Ministers, 1.3.12
This actually goes back (Ambrose was writing in the late 4th century AD) many centuries to an ancient tradition of Alexandrian poetics (Callimachus expressed the same sentiment in the Hellenistic Period: 323–30 BC).
Thanks, dear reader, should you ever find me, for knowing the line between economy and brevity, on the one hand, and, on the other,