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able appear attraction blue bodies Cambridge cause centre colours communicated consequence considered contained curves dated death determine direction discovered discoveries distance doctrine doubt earth East Lothian equal experiment explain express fact force give given glass gravity heat Hooke important inquiries invention John labours Leibnitz length letter light London manuscript mathematical matter means method mind moon motion nature never object observations obtained opinion Optics orbit original particles pass person philosopher planets plate possession present Principia principles prism produced published rays reason received referred reflected refraction remarkable respecting Royal Society says seems seen Sir Isaac Newton space spectrum supposed surface telescope theory thing thought tion took transmitted true truth views writings written yellow
Page 298 - 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 sea -shore, 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 249 - 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 301 - Bishop Atterbury asserts, on the other hand, that the lively and piercing eye did not belong to Sir Isaac during the last twenty years of his life. " Indeed," says he, " in the whole air of his face and make there was nothing of that penetrating sagacity which appears in his compositions. He had something rather languid in his look and manner, which did not raise any great expectation in those who did not know him.
Page 78 - ... that the ratio of the sines of the angles of incidence and refraction is constant for refraction in the same medium, was effected by Snell and Descartes.
Page 215 - I could not have believed what you tell me of yourself, had I had it from any body else. And though I cannot but be mightily troubled that you should have had so many wrong and unjust thoughts of me, yet next to the return of good offices, such as from a sincere good will I have ever done you, I receive your acknowledgment of the contrary as the kindest...
Page 301 - he had a very lively and piercing eye, a comely and gracious aspect, with a fine head of hair as white as silver, without any baldness, and when his peruke was off was a venerable sight.
Page 209 - I never designed to get any thing by your interest, nor by King James's favour, but am now sensible that I must withdraw from your acquaintance, and see neither you nor the rest of my friends any more, if I may but leave them quietly. I beg your pardon for saying I would see you again, and rest your most humble and most obedient servant,
Page 244 - Apoc. xii. for both are to rule the nations with a rod of iron ; but whence are you certain that the Ancient of Days is Christ? Does Christ anywhere sit upon the throne? If Sir Francis Masham be at Gates, present, I pray, my service to him with his lady, Mrs. Cudworth, and Mrs. Masham. Dr. Covel is not in Cambridge. " I am Your affectionate and humble servant, Is. NEWTON. " Know you the meaning of Dan. x, 21: There is none that holdeth with me in these things but Mich, your Prince...
Page 254 - WHEN I wrote my treatise about our system, I had an eye upon such principles as might work with considering men for the belief of a Deity ; and nothing can rejoice me more than to find it useful for that purpose.