“Digressions, objections, delight in mockery, carefree mistrust are signs of health…”
Variant: Digressions, objections, delight in mockery, carefree mistrust are signs of health; everything unconditional belongs in pathology.
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Friedrich Nietzsche 655
German philosopher, poet, composer, cultural critic, and cl… 1844–1900Related quotes

Nobel Address (1991)

Source: Democracy and freedom. 1919, p. 43; Cited in: John Cunningham Wood, Michael C. Wood (eds). George Elton Mayo: Critical Evaluations in Business and Management, Volume 1. 2004, p. 78

Source: Longing for the Harmonies: Themes and Variations from Modern Physics (1987), Ch.11 Explosions and Fluourescence (or, Entropy's Revenge)

On The Algebra of Logic (1885)
Context: If the sign were not related to its object except by the mind thinking of them separately, it would not fulfil the function of a sign at all. Supposing, then, the relation of the sign to its object does not lie in a mental association, there must be a direct dual relation of the sign to its object independent of the mind using the sign. In the second of the three cases just spoken of, this dual relation is not degenerate, and the sign signifies its object solely by virtue of being really connected with it. Of this nature are all natural signs and physical symptoms. I call such a sign an index, a pointing finger being the type of the class.
The index asserts nothing; it only says "There!" It takes hold of our eyes, as it were, and forcibly directs them to a particular object, and there it stops. Demonstrative and relative pronouns are nearly pure indices, because they denote things without describing them; so are the letters on a geometrical diagram, and the subscript numbers which in algebra distinguish one value from another without saying what those values are.
Source: Writings on the General Theory of Signs, 1971, p. 301