An Account of Sir Isaac Newton's Philosophical Discoveries: In Four BooksA. Millar, 1750 - 412 pages |
Other editions - View all
Common terms and phrases
action againſt alfo angle appears arife axis becauſe bodies cafe caufe cauſes centre of gravity centrifugal force circle comets confequently cycloid decreaſe defcend defcribed demonftrated difcovered difcoveries diftance direction diurnal motion doctrine eafily earth effect equal fame proportion fatellite fcheme fcience fecond feems fenfe fenfible ferve fhall fhew fhould fide fimilar fince firft firſt fituation fmall folar folid fome force fpace fphere fquare ftars ftate ftill ftroke fubject fuch fuftain fuppofed furface fyftem greater greateſt himſelf increaſe interfection itſelf Jupiter laft leaft leffer lefs likewife Maclaurin meaſured moft moon moſt motion move muft muſt nature neceffary obfervations occafion oppofite orbit parabola parallax particles perpendicular phænomena philofophy planets principles produced purpoſe raiſed reafon refiftance refpect reft reprefent retrograde motion revolve right line Saturn Sir Ifaac Newton ſpace ſyſtem thefe themſelves theſe thofe thoſe tion Treatife univerfe uſe velocity whofe
Popular passages
Page 61 - To conclude therefore, let no man, upon a weak conceit of sobriety or an ill-applied moderation, think or maintain that a man can search too far or be too well studied in the book of God's word or in the book of God's works ; divinity or philosophy; but rather let men endeavour an endless progress or proficience in both...
Page 372 - The plain argument for the existence of the Deity, obvious to " all, and carrying irresistible conviction with it, is, From the evident " contrivance and fitness of things for one another, which we meet " with throughout all parts of the universe.
Page 11 - They, too, who first extended gravity to air, vapour, and to all bodies round the earth, had their praise ; though the cause of gravity was as obscure as before ; or rather appeared more mysterious, after they had...
Page 382 - Thus our knowledge is vastly greater than the sum of what all its objects separately could afford ; and when a new object comes within our reach, the addition to our knowledge is the greater the more we already know, so that it increases not as the new objects increase, but in a much higher proportion.
Page 17 - ... corner only of that space over which such systems are dispersed, since more stars are discovered in one constellation by the telescope, than the naked eye perceives in the whole heavens. After we have risen so high, and left all definite measures so far behind us, we find ourselves no nearer to a term or limit ; for all this is nothing to what may be displayed in the infinite expanse, beyond the remotest stars that ever have been discovered.
Page 165 - The mechanical advantage of the wheel and axle, or crane, is as the velocity of the weight to the velocity of the power ; and, being only a modification of the first kind of lever, it of course partakes of the same principles.
Page 83 - Leibnitz propofes two principles as the foundation of all our knowledge ; the firft, that it is impoffible for a thing to be and not to be at the fame time...
Page 372 - ... without shaking our belief. No person, for example, that knows the principles of optics, and the structure of the eye, can believe that it was formed without skill in that science; or that the ear was formed without the knowledge of sounds ; or that the male and female in animals were not formed for each other, and for continuing the species. All our accounts of nature are full of instances of this kind. The admirable and beautiful •tructure of things for final causes, exalt our idea of the...
Page 19 - ... imagination ; nor is he to be confined by any limit in space or time ; but, as his knowledge of Nature is founded on the observation of sensible things, he must begin with these, and must often return to them to examine his progress by them. Here is his secure hold ; and as he sets out from thence, so if he likewise trace not often his steps backwards...