On Truth and Lie in an Extra-Moral Sense (1873) 
Context: The various languages placed side by side show that with words it is never a question of truth, never a question of adequate expression; otherwise, there would not be so many languages. The "thing in itself" (which is precisely what the pure truth, apart from any of its consequences, would be) is likewise something quite incomprehensible to the creator of language and something not in the least worth striving for. This creator only designates the relations of things to men, and for expressing these relations he lays hold of the boldest metaphors.' To begin with, a nerve stimulus is transferred into an image: first metaphor. The image, in turn, is imitated in a sound: second metaphor. And each time there is a complete overleaping of one sphere, right into the middle of an entirely new and different one.
                                    
“Are designations congruent with things? Is language the adequate expression of all realities?”
            On Truth and Lie in an Extra-Moral Sense (1873) 
Context: Are designations congruent with things? Is language the adequate expression of all realities?
It is only by means of forgetfulness that man can ever reach the point of fancying himself to possess a "truth" of the grade just indicated. If he will not be satisfied with truth in the form of tautology, that is to say, if he will not be content with empty husks, then he will always exchange truths for illusions.
        
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Friedrich Nietzsche 655
German philosopher, poet, composer, cultural critic, and cl… 1844–1900Related quotes
“All language designers are arrogant. Goes with the territory…”
                                        
                                        [1991Jul13.010945.19157@netlabs.com, 1991] 
Usenet postings, 1991
                                    
                                        
                                        "We've got to start over from scratch" - Well, that's almost any academic language you find. 
"English phrases" - Well, that's Cobol. You know, cargo cult English. (laughter) 
"Text processing doesn't matter much" - Fortran. 
"Simple languages produce simple solutions" - C. 
"If I wanted it fast, I'd write it in C" - That's almost a direct quote from the original awk page. 
"I thought of a way to do it so it must be right" - That's obviously PHP. (laughter and applause) 
"You can build anything with NAND gates" - Any language designed by an electrical engineer. (laughter) 
"This is a very high level language, who cares about bits?" - The entire scope of fourth generation languages fell into this... problem. 
"Users care about elegance" - A lot of languages from Europe tend to fall into this. You know, Eiffel. 
"The specification is good enough" - Ada. 
"Abstraction equals usability" - Scheme. Things like that. 
"The common kernel should be as small as possible" - Forth. 
"Let's make this easy for the computer" - Lisp. (laughter) 
"Most programs are designed top-down" - Pascal. (laughter) 
"Everything is a vector" - APL. 
"Everything is an object" - Smalltalk and its children. (whispered:) Ruby. (laughter) 
"Everything is a hypothesis" - Prolog. (laughter) 
"Everything is a function" - Haskell. (laughter) 
"Programmers should never have been given free will" - Obviously, Python. (laughter). 
Public Talks, "Present Continuous - Future Perfect"
                                    
                                        
                                        The Third Sacred School, Volume 7, Chapter 80 
As of a Trumpet, On Eagle's Wings, The Third Sacred School
                                    
                                        
                                         Genetic Epistemology (1968) http://www.marxists.org/reference/subject/philosophy/works/fr/piaget.htm – First lecture 
Context: Knowing reality means constructing systems of transformations that correspond, more or less adequately, to reality. They are more or less isomorphic to transformations of reality. The transformational structures of which knowledge consists are not copies of the transformations in reality; they are simply possible isomorphic models among which experience can enable us to choose. Knowledge, then, is a system of transformations that become progressively adequate.