Interview with pianist Leon Fleisher http://www.examiner.com/article/interview-with-pianist-leon-fleisher by Elijah Ho (October 1, 2014)
“What is Classical is healthy; what is Romantic is sick.”
Das Klassische nenne ich das Gesunde und das Romantische das Kranke.
Maxim 1031, trans. Stopp
Maxims and Reflections (1833)
Original
Das Classische nenne ich das Gesunde, und das Romantische das Kranke.
zu Eckermann, 2. April 1829, zeno.org http://www.zeno.org/nid/20004867424
Selbstzeugnisse, Johann Peter Eckermann: Gespräche mit Goethe in den letzten Jahren seines Lebens (1836/1848)
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Johann Wolfgang von Goethe 185
German writer, artist, and politician 1749–1832Related quotes

“Although motorcycle riding is romantic, motorcycle maintenance is purely classic.”
Source: Zen and the Art of Motorcycle Maintenance (1974), Ch. 6
Context: The romantic mode is primarily inspirational, imaginative, creative, intuitive. Feelings rather than facts predominate. "Art" when it is opposed to "Science" is often romantic. It does not proceed by reason or by laws. It proceeds by feeling, intuition and esthetic conscience. In the northern European cultures the romantic mode is usually associated with femininity, but this is certainly not a necessary association.
The classic mode, by contrast, proceeds by reason and by laws—which are themselves underlying forms of thought and behavior. In the European cultures it is primarily a masculine mode and the fields of science, law and medicine are unattractive to women largely for this reason. Although motorcycle riding is romantic, motorcycle maintenance is purely classic.

13 January 1857 (p. 337)
1831 - 1863, Delacroix' 'Journal' (1847 – 1863)

“What depth in these thoughts - what classical talent!”
Welche Tiefe der Gedanken - welch klassisches Talent!
Joseph Haydn to Fredrik Samuel Silverstolpe


Source: Essential Ohsawa - From Food to Health, Happiness to Freedom - Understanding the Basics of Macrobiotics (1994), p. 77

“As long as one believes in philosophy, one is healthy; sickness begins when one starts to think.”
Tears and Saints (1937)