Martin Farquhar Tupper (1848). “Gems from Tupper: Consisting of Extracts from the Following Works: Proverbial Philosophy; Thousand Lines; Twins; Hactenus; An Authr's Mind; Geraldine, and Other Poems; Heart; Crock of Gold; and Probabilities, an Aid to Faith”, p.60
Martin Farquhar Tupper (1855). “Proverbial Philosophy: A Book of Thoughts and Arguments, Originally Treated : First and Second Series, Complete in One Volume”, p.16
Martin Farquhar Tupper (1855). “Proverbial Philosophy: A Book of Thoughts and Arguments, Originally Treated : First and Second Series, Complete in One Volume”, p.53