Various, Notes and Queries, Number 33, June 15…
“ What can typify "laziness" more emphatically than a dog that "lays him [self] down to bark?"A jingle of some kind is essential to a proverb. If a phrase or expression have not this, it never "takes" with the masses; whilst, having this, and being capable of any possible and common application, it is sure to live, either as a proverb or a "saw," as the case may be. Alliteration and rhyme are amongst the most frequent of these "jingles;" and occasionally a "pun" supplies their place very effectively. ”
