Ingratitude Quotes
Miguel de Cervantes Saavedra, Quixote de la Mancha (don, fict.name.) (1847). “The history of don Quixote de la Mancha. From the Span. To which is prefixed a sketch of the life and writings of the author. Select libr. ed”, p.67
"Persa". II. 2. 46,
Thoughts on the Cause of the Present Discontents (1770)
Aesop (2016). “Aesop's Fables - Complete Collection”, p.13, Lulu.com
Karl Barth (2004). “The Doctrine of Reconciliation: The Subject-Matter and Problems of the Doctrine of of Reco”, p.49, A&C Black
Ingratitude is often disproportionate to the benefaction received.
Karl Kraus (1976). “Half-truths & One-and-a-half Truths: Selected Aphorisms”
