“Hope, in its stronger forms, is a great deal more powerful stimulans to life than any sort of realized joy can ever be.”
Sec. 23
The Antichrist (1888)
Context: Hope, in its stronger forms, is a great deal more powerful stimulans to life than any sort of realized joy can ever be. Man must be sustained in suffering by a hope so high that no conflict with actuality can dash it—so high, indeed, that no fulfilment can satisfy it: a hope reaching out beyond this world.
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Friedrich Nietzsche 655
German philosopher, poet, composer, cultural critic, and cl… 1844–1900Related quotes

Progress of Culture Phi Beta Kappa Address (July 18, 1867)
1870s, Society and Solitude (1870), Books, Letters and Social Aims http://www.rwe.org/comm/index.php?option=com_content&task=category§ionid=5&id=74&Itemid=149 (1876)

“The stronger and more powerful a state, the highest and richer the life of its inhabitants.”
As quoted in Modern Political Ideologies, Third Edition, Andrew Vincent, West Sussex, UK, Wiley-Blackwell, 2010, p. 156

“…no emotion, any more than a wave, can long retain its own individual form.”
The Sermons of Henry Ward Beecher in Plymouth Church, Brooklyn, J. B. Ford, 1871, p. 24
Other Sourced

"Credo" at his official website http://robertfulghum.com/index.php/fulghumweb/credo/; this may be partly influenced by remarks of Albert Einstein in "What Life Means to Einstein: An Interview by George Sylvester Viereck" The Saturday Evening Post (26 October 1929): I am enough of an artist to draw freely upon my imagination. Imagination is more important than knowledge. Knowledge is limited. Imagination encircles the world.
Source: All I Really Need to Know I Learned in Kindergarten
“Nothing in life produce a more powerful joy than a near miss by the Angel of Death.”
Source: The Heritage Universe, Convergence (1997), Chapter 26 (p. 516)

“A very great deal more truth can become known than can be proven.”
"The Development of the Space-Time View of Quantum Electrodynamics," Nobel Lecture http://nobelprize.org/physics/laureates/1965/feynman-lecture.html (11 December 1965)