Part Twenty-Four - Page 1

  1. When the scientists first put the Sun in the center of the Solar System and sent the earth spinning around it, there was immense surprise and consternation. The whole idea was self-evidently false; nothing was more certain than the movement of the Sun across the sky, and anyone could see it descend behind the western hills and sink into the sea; scholars raged and scientists rejected the idea as absurd, yet the evidence has finally carried conviction in the minds of all.
  2. We speak of a bell as a sounding body, yet we know that all the bell can do is to produce vibrations in the air. When these vibrations come at the rate of sixteen per second, they cause a sound to be heard in the mind. It is also possible for the mind to hear vibrations up to the rate of 38,000 vibrations per second. When the number increases beyond this, all is silence again; so that we know that the sound is not in the bell, it is in our own mind.
  3. We speak and even think of the Sun as giving light. Yet we know it is simply giving forth energy which produces vibrations in space at the rate of four hundred trillion a second, causing what are termed light waves, so that we know that what we call light is simply a form of energy and that the only light there is, is the sensation caused in the mind by the motion of the waves. When the number increases, the light changes in color, each change in color being caused by shorter and more rapid vibrations; so that although we speak of the rose as being red, the grass as being green, or the sky as being blue, we know that the colors exist only in our minds, and are the sensations experienced by us as the result of the vibrations of light waves. When the vibrations are reduced below four hundred trillion a second, they no longer affect us as light, but we experience the sensation of heat. It is evident, therefore, that we need to look beyond our senses for our information concerning the realities of things; if we didn't we should believe that the sun moved around the earth instead of the earth moving around the sun, that the world was flat instead of round, that the stars were bits of light instead of vast suns.


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