Johann Wolfgang von Goethe Quotes about Understanding
Johann Wolfgang von Goethe (2015). “Maxims and Reflections”, p.174, Johann Wolfgang von Goethe
Johann Wolfgang von Goethe, Johann Peter Eckermann (2014). “Conversations of Goethe with Johann Peter Eckermann”, p.160, Ravenio Books
Johann Wolfgang von Goethe (1853). “Goethe's Opinions on the World, Mankind, Literature, Science, and Art”, p.113