Hermann von Helmholtz Professions : Physician Born : August 31, 1821 Died : September 8, 1894 Browse All Authors Top 36 quotes by Hermann von Helmholtz All that science can achieve is a perfect knowledge and a perfect understanding of the action of natural and moral forces. Hermann von Helmholtz technology perfect science The originator of a new concept...finds, as a rule, that it is much more difficult to find out why other people do not understand him, than it was to discover the new truth. Hermann von Helmholtz concepts difficult people Music stands in a much closer connection with pure sensation than any of the other arts. Hermann von Helmholtz connections music art What we see is the solution to a computational problem, our brains compute the most likely causes from the photon absorptions within our eyes. Hermann von Helmholtz causes eye brain When young Galileo, then a student at Pisa, noticed one day during divine service a chandelier swinging backwards and forwards, and convinced himself, by counting his pulse, that the duration of the oscillations was independent of the arc through which it moved, who could know that this discovery would eventually put it in our power, by means of the pendulum, to attain an accuracy in the measurement of time till then deemed impossible, and would enable the storm-tossed seaman in the most distant oceans to determine in what degree of longitude he was sailing? Hermann von Helmholtz ocean time mean Whoever, in the pursuit of science, seeks after immediate practical utility, may generally rest assured that he will seek in vain. Hermann von Helmholtz vain may science The quantity of force which can be brought into action in the whole of Nature is unchangeable, and can neither be increased nor diminished. Hermann von Helmholtz quantity force action A moving body whose motion was not retarded by any resisting force would continue to move to all eternity. Hermann von Helmholtz retarded body moving Windmills, which are used in the great plains of Holland and North Germany to supply the want of falling water, afford another instance of the action of velocity. The sails are driven by air in motion - by wind. Hermann von Helmholtz air wind fall Isolated facts and experiments have in themselves no value, however great their number may be. They only become valuable in a theoretical or practical point of view when they make us acquainted with the law of a series of uniformly recurring phenomena, or, it may be, only give a negative result showing an incompleteness in our knowledge of such a law, till then held to be perfect. Hermann von Helmholtz views science knowledge As you are aware, no perceptions obtained by the senses are merely sensations impressed on our nervous systems. A peculiar intellectual activity is required to pass from a nervous sensation to the conception of an external object, which the sensation has aroused. The sensations of our nerves of sense are mere symbols indicating certain external objects, and it is usually only after considerable practice that we acquire the power of drawing correct conclusions from our sensations respecting the corresponding objects. Hermann von Helmholtz drawing perception practice Just as a physicist has to examine the telescope and galvanometer with which he is working; has to get a clear conception of what he can attain with them, and how they may deceive him; so, too, it seemed to me necessary to investigate likewise the capabilities of our power of thought. Hermann von Helmholtz telescopes may science The smallest quantity of alcohol scares away novel ideas. Hermann von Helmholtz scare alcohol ideas Black is real sensation, even if it is produced by entire absence of light. The sensation of black is distinctly different from the lack of all sensations. Hermann von Helmholtz black light real The total quantity of all the forces capable of work in the whole universe remains eternal and unchanged throughout all their changes. All change in nature amounts to this, that force can change its form and locality, without its quantity being changed. The universe possesses, once for all, a store of force which is not altered by any change of phenomena, can neither be increased nor diminished, and which maintains any change which takes place on it. Hermann von Helmholtz stores form science Reason we call that faculty innate in us of discovering laws and applying them with thought. Hermann von Helmholtz faculty law reason Not that I wish by any means to deny, that the mental life of individuals and peoples is also in conformity with law, as is the object of philosophical, philological, historical, moral, and social sciences to establish. Hermann von Helmholtz philosophical law mean Music strikes the ear as a perfectly undisturbed uniform sound which remains unaltered as long as it exists. Hermann von Helmholtz ears sound long During the first half of the present century we had an Alexander von Humboldt, who was able to scan the scientific knowledge of his time in its details, and to bring it within one vast generalization. At the present juncture, it is obviously very doubtful whether this task could be accomplished in a similar way, even by a mind with gifts so peculiarly suited for the purpose as Humboldt's was, and if all his time and work were devoted to the purpose. Hermann von Helmholtz mind science knowledge A metaphysical conclusion is either a false conclusion or a concealed experimental conclusion. 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