Friedrich Nietzsche
Overview
Friedrich Wilhelm Nietzsche (ˈfʁiːdʁɪç ˈvɪlhɛlm ˈniːtʃə; in English ˈniːtʃə) (October 15, 1844 – August 25, 1900) was a 19th-century German
Germans
The Germans are a Germanic ethnic group native to Central Europe. The English term Germans has referred to the German-speaking population of the Holy Roman Empire since the Late Middle Ages....

 philosopher
Philosophy
Philosophy is the study of general and fundamental problems, such as those connected with existence, knowledge, values, reason, mind, and language. Philosophy is distinguished from other ways of addressing such problems by its critical, generally systematic approach and its reliance on rational...

, poet
Poetry
Poetry is a form of literary art in which language is used for its aesthetic and evocative qualities in addition to, or in lieu of, its apparent meaning...

, composer
Composer
A composer is a person who creates music, either by musical notation or oral tradition, for interpretation and performance, or through direct manipulation of sonic material through electronic media...

 and classical philologist
Classical philology
Classical philology is the study of ancient Greek and classical Latin. Classical philology has been defined as "the careful study of the literary and philosophical texts of the ancient Greek and Roman worlds." Greek and Latin literature and civilization have traditionally been considered...

. He wrote critic
Critic
A critic is anyone who expresses a value judgement. Informally, criticism is a common aspect of all human expression and need not necessarily imply skilled or accurate expressions of judgement. Critical judgements, good or bad, may be positive , negative , or balanced...

al texts on religion, morality, contemporary culture, philosophy and science, displaying a fondness for metaphor
Metaphor
A metaphor is a literary figure of speech that uses an image, story or tangible thing to represent a less tangible thing or some intangible quality or idea; e.g., "Her eyes were glistening jewels." Metaphor may also be used for any rhetorical figures of speech that achieve their effects via...

, irony
Irony
Irony is a rhetorical device, literary technique, or situation in which there is a sharp incongruity or discordance that goes beyond the simple and evident intention of words or actions...

 and aphorism
Aphorism
An aphorism is an original thought, spoken or written in a laconic and memorable form.The term was first used in the Aphorisms of Hippocrates...

.

Nietzsche's influence remains substantial within and beyond philosophy, notably in existentialism
Existentialism
Existentialism is a term applied to a school of 19th- and 20th-century philosophers who, despite profound doctrinal differences, shared the belief that philosophical thinking begins with the human subject—not merely the thinking subject, but the acting, feeling, living human individual...

, nihilism
Nihilism
Nihilism is the philosophical doctrine suggesting the negation of one or more putatively meaningful aspects of life. Most commonly, nihilism is presented in the form of existential nihilism which argues that life is without objective meaning, purpose, or intrinsic value...

 and postmodernism
Postmodern philosophy
Postmodern philosophy is a philosophical direction which is critical of the foundational assumptions and structures of philosophy. Beginning as a critique of Continental philosophy, it was heavily influenced by phenomenology, structuralism and existentialism, including writings of Georg Wilhelm...

. His style and radical questioning of the value and objectivity of truth have resulted in much commentary and interpretation, mostly in the continental
Continental philosophy
Continental philosophy, in contemporary usage, refers to a set of traditions of 19th and 20th century philosophy from mainland Europe. This sense of the term originated among English-speaking philosophers in the second half of the 20th century, who used it to refer to a range of thinkers and...

 tradition.
Quotations

There are no facts, only interpretations.

Notebooks, (Summer 1886 – Fall 1887)

So far no one had had enough courage and intelligence to reveal me to my dear Germans. My problems are new, my psychological horizon frighteningly comprehensive, my language bold and clear; there may well be no books written in German which are richer in ideas and more independent than mine.

Letter to Carl Fuchs (14 December 1887)

Mathematics would certainly have not come into existence if one had known from the beginning that there was in nature no exactly straight line, no actual circle, no absolute magnitude.

As quoted in The Puzzle Instinct : The Meaning of Puzzles in Human Life‎ (2004) by Marcel Danesi, p. 71 from Human All-Too-Human

He who fights with monsters should look to it that he himself does not become a monster. And when you gaze long into an abyss the abyss also gazes into you.

"Beyond Good and Evil", Aphorism 146 (1886)

 
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