“How often a man has cause to return thanks for the enthusiasms of his friends! They are the little fountains that run down from the hills to refresh the mental desert of the despondent.”
The White Blot
The Ruling Passion http://www.gutenberg.org/dirs/etext97/rlpsn10.txt (1901)
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Henry Van Dyke 63
American diplomat 1852–1933Related quotes

“How many deserters there are from the rigours of virtue, how few from the cause of love!”
Combien trouve-t-on de déserteurs de la sévère vertu et combien en trouvez-vous peu de l'amour?
Part 1, p. 123; translation p. 64.
L'Histoire du chevalier des Grieux et de Manon Lescaut (1731)

“Inaction will cause a man to sink into the slough of despond and vanish without a trace.”

La vie d'un homme occupé à manger sa fortune devient souvent une spéculation; il place ses capitaux en amis, en plaisirs, en protecteurs, en connaissances.
The Wild Ass’s Skin (1831), Part II: A Woman Without a Heart

Thomas Hood, Craniology, reported in Hoyt's New Cyclopedia Of Practical Quotations (1922), p. 597.
20th century

St. 2.
The Cataract of Lodore http://www.cs.rice.edu/~ssiyer/minstrels/poems/652.html (1820)