FORCE, n. Force is but might, the teacher said p
That definition's just.
The boy said naught but throught instead,
Remembering his pounded head:
Force is not might but must!
Source: The Devil's Dictionary, 1911.
-- Ambrose Bierce, (Jun 24 1842-1914), US journalist, short-story writer; He was a noted wit, satirist and sardonic short story writer who disappeared while covering the Mexican revolution.