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ancient appear applied astronomy attraction blue bodies called Cambridge cause centre colours communicated consequence considered contains determine directed discovered discoveries distance doctrine earth East Lothian effect existence experiments explain expressed facts force geometry give given glass gravity heat important inquiries invention knowledge labours learned Leibnitz letter light London mathematical matter means method mind moon motion nature never object observations obtained opinion Optics orbit original particles pass period person phenomena philosopher planets possession present principles prism produced published rays reason received referred reflected refraction regarded relation remarkable respecting Royal Society says seems Sir Isaac Newton space spectrum supposed surface telescope theory thought tion transmitted true truth universe writings written yellow
Page 272 - I do not know what I may appear to the world, but to myself I seem to have been only like a boy playing on the seashore, and diverting myself in now and then finding a smoother pebble or a prettier shell than ordinary, whilst the great ocean of truth lay all undiscovered before me.
Page 229 - He gave this and the Prophecies of the Old Testament, not to gratify men's curiosities by enabling them to foreknow things, but that after they were fulfilled they might be interpreted by the event, and his own Providence, not the Interpreters, be then manifested thereby to the world.
Page 138 - I now design to suppress. Philosophy is such an impertinently litigious Lady, that a man had as good be engaged in lawsuits, as have to do with her.
Page 197 - I could not have believed what you tell me of yourself, had I had it from anybody else. And though I cannot but be mightily troubled that you should have had so many wrong and unjust thoughts of me...
Page 252 - At the third time, when the phantasm of light and colours about it were almost vanished, intending my fancy upon them to see their last appearance, I found, to my amazement, that they began to return, and by little and little to become as lively and vivid as when I had newly looked upon the sun. But when I ceased to intend my fancy upon them, they vanished again. After this...
Page 188 - Newton came from chapel, and had seen what was done, every one thought he would have run mad, he was so troubled thereat that he was not himself for a month after.
Page 235 - To make such a system with all its motions, required a cause which understood, and compared together the quantities of matter in the several bodies of the sun and planets, and the gravitating powers resulting from thence, the several distances of the primary planets from the sun, and of the secondary ones from Saturn, Jupiter, and the Earth, and the velocities with which...
Page 138 - I must again beg you," says he, " not to let your resentments run so high as to deprive us of your third book, wherein your applications of your mathematical doctrine to the theory of comets, and several curious experiments, which, as I guess by what you write ought to compose it, will undoubtedly render it acceptable to those who will call themselves philosophers without mathematics, which are much the greater number.