Austrian - Physicist | February 18, 1838 - February 19, 1916
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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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.
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Ordinarily pleasure and pain are regarded as different from sensations.
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My table is now brightly, now dimly lighted. Its temperature varies. It may receive an ink stain. One of its legs may be broken. It may be repaired, polished, and replaced part by part. But, for me, it remains the table at which I daily write.
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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.
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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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Personally, people know themselves very poorly.
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The ego is as little absolutely permanent as are bodies.
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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.
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Man is pre-eminently endowed with the power of voluntarily and consciously determining his own point of view.
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If our dreams were more regular, more connected, more stable, they would also have more practical importance for us.
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Similarly, many a young man, hearing for the first time of the refraction of stellar light, has thought that doubt was cast on the whole of astronomy, whereas nothing is required but an easily effected and unimportant correction to put everything right again.
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