A warmhearted youth becomes strongly attached to a maiden: he spends every hour of the day in her company, wears out his health, and lavishes his fortune, to afford continual proof that he is wholly devoted to her. Then comes a man of the world, a man of place and respectability, and addresses him thus: "My good young friend, love is natural; but you must love within bounds.
 Johann Wolfgang von Goethe, The Sorrows of Young Werther (1774). copy citation

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Author Johann Wolfgang von Goethe
Source The Sorrows of Young Werther
Topic youth health
Date 1774
Language English
Reference
Note Translated by R. D. Boylan
Weblink http://www.gutenberg.org/files/2527/2527-h/2527-h.htm

Context

“but yet, say what you will of rules, they destroy the genuine feeling of nature, as well as its true expression. Do not tell me "that this is too hard, that they only restrain and prune superfluous branches, etc." My good friend, I will illustrate this by an analogy. These things resemble love. A warmhearted youth becomes strongly attached to a maiden: he spends every hour of the day in her company, wears out his health, and lavishes his fortune, to afford continual proof that he is wholly devoted to her. Then comes a man of the world, a man of place and respectability, and addresses him thus: "My good young friend, love is natural; but you must love within bounds. Divide your time: devote a portion to business, and give the hours of recreation to your mistress. Calculate your fortune; and out of the superfluity you may make her a present, only not too often,—on her birthday, and such occasions."” source