The method of science and its application to metaphysics. The rules of philosophising. Psychological principles. The limitations of knowledge

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Trübner & Company, 1874

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Сторінка 45 - ... all sensation is excited, and the members of animal bodies move at the command of the will, namely, by the vibrations of this spirit, mutually propagated along the solid filaments of the nerves, from the outward organs of sense to the brain, and from the brain into the muscles.
Сторінка 85 - WE ARE TO ADMIT NO MORE CAUSES OF NATURAL THINGS THAN SUCH AS ARE BOTH TRUE AND SUFFICIENT TO EXPLAIN THEIR APPEARANCES. To this purpose the philosophers say that Nature does nothing in vain, and more is in vain when less will serve; for Nature is pleased with simplicity, and affects not the pomp of superfluous causes.
Сторінка 97 - In experimental philosophy we are to look upon propositions inferred by general induction from phenomena as accurately or very nearly true, notwithstanding any contrary hypotheses that may be imagined, till such time as other phenomena occur by which they may either be made more accurate or liable to exceptions.
Сторінка 44 - And now we might add something concerning a certain most subtle spirit which pervades and lies hid in all gross bodies; by the force and action of which spirit the particles of bodies attract one another at near distances, and cohere, if contiguous; and electric bodies operate to greater distances, as well repelling as attracting the...
Сторінка 381 - Whatever is may not be. No negation of a fact can involve a contradiction. The non-existence of any being, without exception, is as clear and distinct an idea as its existence. The proposition, which affirms it not to be, however false, is no less conceivable and intelligible, than that which affirms it to be.
Сторінка 277 - No priestly dogmas, invented on purpose to tame and subdue the rebellious reason of mankind, ever shocked common sense more than the doctrine of the infinite divisibility of extension, with its consequences as they are pompously displayed by all geometricians and metaphysicians, with a kind of triumph and exultation.
Сторінка 46 - Hitherto we have explained the phenomena of the heavens and of our sea by the power of gravity, but have not yet assigned the cause of this power. This is certain, that it must proceed from a cause that penetrates to the very centres of the sun and planets, without suffering the least diminution of its force; that operates not according to the quantity of the surfaces of the particles upon which it acts (as mechanical causes...
Сторінка 215 - I imagine any one will easily grant, that it would be impertinent to suppose the ideas of colours innate in a creature, to whom God hath given sight, and a power to receive them by the eyes, from external objects ; and no less unreasonable would it be to attribute several truths to the impressions of nature, and innate characters, when we may observe in ourselves faculties, fit to attain as*£asy and certain knowledge of them, as if they were originally imprinted on the mind.
Сторінка 47 - ... the whole burden of philosophy seems to consist in this— from the phenomena of motions to investigate the forces of nature, and then from these forces to demonstrate the other phenomena, and to this end the general propositions in the first and second Book are directed.
Сторінка 83 - The qualities of bodies, which admit neither intension nor remission of degrees, and which are found to belong to all bodies within the reach of our experiments, are to be esteemed the universal qualities of all bodies whatsoever.

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