“Physics is experience, arranged in economical order.”
Other Ernst Mach Quotes
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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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
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Bodies do not produce sensations, but complexes of elements (complexes of sensations) make up bodies.
Ernst Mach
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