as long as life is in the ascending line, happiness is the same as instinct.
 Friedrich Nietzsche, Twilight of the Idols (1889). copy citation

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Author Friedrich Nietzsche
Source Twilight of the Idols
Topic happiness instinct
Date 1889
Language English
Reference
Note Translated by Anthony M. Ludovici
Weblink https://www.gutenberg.org/files/52263/52263-h/52263-h.htm

Context

“life made clear, cold, cautious, conscious, without instincts, opposed to the instincts, was in itself only a disease, another kind of disease—and by no means a return to "virtue," to "health," and to happiness. To be obliged to fight the instincts—this is the formula of degeneration: as long as life is in the ascending line, happiness is the same as instinct. 12 —Did he understand this himself, this most intelligent of self-deceivers? Did he confess this to himself in the end, in the wisdom of his courage before death. Socrates wished to die. Not Athens, but his own hand gave him the draught of hemlock;” source