Letters from Dr. James Gregory of Edinburgh: In Defence of His Essay on the Difference of the Relation Between Motive and Action and that of Cause and Effect in Physics, with Replies, by Alex. Crombie

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R. Hunter, 1819 - Necessity (Philosophy) - 427 pages
 

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Page 418 - In mathematics he was greater Than Tycho Brahe or Erra Pater ; For he, by geometric scale, Could take the size of pots of ale ; Resolve by sines and tangents straight, If bread or butter wanted weight ; And wisely tell what hour o' th' day The clock does strike by algebra.
Page 421 - The change of motion is proportional to the motive force impressed; and is made in the direction of the right line in which that force is impressed.
Page 332 - Sir, are you so grossly ignorant of human nature, as not to know that a man may be very sincere in good principles, without having good practice?
Page 82 - There is in mind a certain independent selfgoverning power which there is not in body ; in consequence of which there is a great difference between the relation of motive and action, and that of cause and effect in physics...
Page 342 - Should a traveller, returning from a far country, bring us an account of men wholly different from any with whom we were ever acquainted, men who were entirely divested of avarice, ambition, or revenge, who knew no pleasure but friendship, generosity, and public spirit, we should immediately, from these circumstances, detect the falsehood, and prove him a liar, with the same certainty as if he had stuffed his narration with stories of centaurs and dragons, miracles and prodigies.
Page 341 - And if we would explode any forgery in history, we cannot make use of a more convincing argument than to prove that the actions ascribed to any person are directly contrary to the course of nature, and that no human motives, in such circumstances, could ever induce him to such a conduct.
Page 96 - The conception of a force acting directly as the quantity of matter, and inversely as the square of the distance...
Page 282 - is necessary on my part," observes our author, " to " warn you, that by the publication of my essay you " will find yourself loudly called on to vindicate your " character, not merely in point of understanding as " a philosopher, but in point of probity and veracity
Page 334 - I am the better pleased with the method of reasoning here delivered, as I think it may serve to confound those dangerous friends or disguised enemies of the Christian religion, who have undertaken to defend it by the principles of human reason.
Page 425 - We believe that they are all equally, with the physical agencj^of nature — not partly, but wholly — not occasionally, but constantly — under the direction and control of the Great Governor of the universe. We believe that He, by whose command circle thousands and thousands of surrounding worlds, fore-ordains on this diurnal sphere also whatsoever comes to pass. In him all causes centre ; he is the supreme arbiter of all events. Under his government we are placed, and by the counsels of his...

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