Lord North had little reason to congratulate himself when he ventured on
an interruption with Burke. In a debate on some economical question,
Burke was guilty of a false quantity--“_Magnum vectĭgal est
parsimonia_.” “_Vectīgal_,” said the minister, in an audible under-tone.
“I thank the noble lord for his correction,” resumed the orator, “since
it gives me the opportunity of repeating the inestimable adage--“_Magnum
vectīgal est parsimonia_.” (Parsimony is a great revenue.)