Summary

William Jackson Thirty Letters on Various Subjects…

The quantity of space when compared to any we can move in the same time is vast, and the motion quick, but when considered as belonging to a body of the size of a world, the motion is slow. Suppose a common globe was turned round once in twenty-four hours—imagine an animal as much inferior to it in size as we are to the earth, placed 100 as I conceived the human spectator placed to view the earth—would the apprehension of this Being induce you to call a single revolution in twenty-four hours, whirling?
Source: Gutenberg

William Jackson Thirty Letters on Various Subjects…

I will allow them to say, that a picture is too warm, too cold, too red, too yellow to please them, but let them not deny that these hues are all in nature, and that well-managed they are all pictoresque.
32 LETTER XXI. AT the revival of the arts, some evil genius, who was determined to retard the progress of painting, dictated this rule. “A picture should always have its horizon the height of the eye that looks at it—in nature, the eye being always the height of the horizon; therefore a picture will be most like nature that has its horizon the height of the natural eye.”
Source: Gutenberg

William Jackson Thirty Letters on Various Subjects…

Perhaps it is our measuring this motion by miles that makes us fancy that it is quick, which is much like taking the height of a mountain in hairs-breadths. When we are told that Saturn moves in his orbit more than twenty-two thousand miles in an hour, we conceive the velocity to be great; but when we find that he is more than three hours moving his own diameter,101 we must then think it as it really is, slow. Bishop Wilkins is the only writer I have met with who considers the motion of the heavenly bodies as I do, and I am rather proud of having my opinion supported by so great a man.
Source: Gutenberg

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