And he had only four days now-four days in which to tap the tumultuous love power, to canalise it, to set it working for his escape.
"Mortal Coils"
Aldous Huxley
The importance of the first lessens as men learn to dig wells and to canalise springs; the two last, defence and communication, remain attached to river settlements to a much later date, and are apparent in all the history of the Thames.
"The Historic Thames"
Hilaire Belloc