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الصفحة 59 - 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...
الصفحة 9 - 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...
الصفحة 402 - 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.
الصفحة 15 - ... 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.
الصفحة 163 - 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.
الصفحة 81 - 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...
الصفحة 390 - ... 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...
الصفحة 17 - ... 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...