The word "Verse" is used here as the term most convenient for expressing, and without pedantry, all that is involved in the consideration of rhythm, rhyme, meter, and versification... the subject is exceedingly simple; one tenth of it, possibly, may be called ethical; nine tenths, however, appertains to the mathematics.

Quoted in Stanley Gudder, A Mathematical Journey (p. 55), McGraw-Hill Book Company, Inc.