Note 119 — THE CARLYLES—THOMAS (1795-1881) and JANE WELSH (1801-1866)
Reading edition
Clever as she was, she surely made a mistake here—unless she did it on purpose, which is quite possible. "Cadger" is of course only "beggar," and the proverb is the Scotch equivalent of ours about the "beggar on horseback," pretty frequently illustrated now-a-days.