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Not bodies produce sensations, but element-complexes (sensation-complexes) constitute the bodies. When the physicist considers the bodies as the permanent reality, the 'elements' as the transient appearance, he does not realise that all 'bodies' are only mental symbols for element-complexes (sensation-complexes).

Ernst Mach

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Ernst Mach
Age: 78 †
Born: 1838
Born: February 18
Died: 1916
Died: February 19
Pedagogue
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Physicist
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Ernst Mach Jr
Body
Bodies
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Physicist
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Reality
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Transient

More quotes by Ernst Mach

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The fact is, every thinker, every philosopher, the moment he is forced to abandon his one-sided intellectual occupation by practical necessity, immediately returns to the general point of view of mankind.
Ernst Mach
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Science is the most complete presentment of facts with the least expenditure of thought
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Archimedes constructing his circle pays with his life for his defective biological adaptation to immediate circumstances.
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The plain man is familiar with blindness and deafness, and knows from his everyday experience that the look of things is influenced by his senses but it never occurs to him to regard the whole world as the creation of his senses.
Ernst Mach
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Without renouncing the support of physics, it is possible for the physiology of the senses, not only to pursue its own course of development, but also to afford to physical science itself powerful assistance.
Ernst Mach
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Ordinarily pleasure and pain are regarded as different from sensations.
Ernst Mach
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Many an article that I myself penned twenty years ago impresses me now as something quite foreign to myself.
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What Mach calls a thought experiment is of course not an experiment at all. At bottom it is a grammatical investigation.
Ernst Mach
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A colour is a physical object as soon as we consider its dependence, for instance, upon its luminous source, upon other colours, upon temperatures, upon spaces, and so forth.
Ernst Mach
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To us investigators, the concept 'soul' is irrelevant and a matter for laughter. But matter is an abstraction of exactly the same kind, just as good and just as bad as it is. We know as much about the soul as we do of matter.
Ernst Mach
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Strange as it may sound, the power of mathematics rests on its evasion of all unnecessary thought and on its wonderful saving of mental operations.
Ernst Mach
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Scientists must use the simplest means of arriving at their results and exclude everything not perceived by the senses.
Ernst Mach
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Mathematics may be defined as the economy of counting. There is no problem in the whole of mathematics which cannot be solved by direct counting.
Ernst Mach
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In reality, the law always contains less than the fact itself, because it does not reproduce the fact as a whole but only in that aspect of it which is important for us, the rest being intentionally or from necessity omitted.
Ernst Mach
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The presentations and conceptions of the average man of the world are formed and dominated, not by the full and pure desire for knowledge as an end in itself, but by the struggle to adapt himself favourably to the conditions of life.
Ernst Mach
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The history of the development of mechanics is quite indispensable to a full comprehension of the science in its present condition. It also affords a simple and instructive example or the processes by which natural science generally is developed.
Ernst Mach
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Thing, body, matter, are nothing apart from the combinations of the elements, - the colours, sounds, and so forth - nothing apart from their so-called attributes.
Ernst Mach
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The acquisition of the most elementary truth does not devolve upon the individual alone: it is pre-effected in the development of the race.
Ernst Mach
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When I recall today my early youth, I should take the boy that I then was, with the exception of a few individual features, for a different person, were it not for the existence of the chain of memories.
Ernst Mach
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A movement that we will to execute is never more than a represented movement, and appears in a different domain from that of the executed movement, which always takes place when the image is vivid enough.
Ernst Mach