The System of Nature: Or, The Laws of the Moral and Physical World. Tr. from the French of M. Mirabaud ...

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第152页 - ... have gathered from experience. It is not given to man to know every thing — it is not given him to know his origin — it is not given him to penetrate into the essence of things, nor to recur to first principles — but it is given him, to have reason, to have honesty, to ingenuously allow he is ignorant of that which he cannot know, and not to substitute unintelligible words...
第xiii页 - ... theirs after their own fashion; since nothing can be more immaterial than the manner of men's thinking on subjects not accessible to reason, provided those thoughts be not suffered to embody themselves into actions injurious to others: above all, let him be fully persuaded that it is of the utmost importance to the inhabitants of this world to be JUST, KIND, and PEACEABLE. Far from injuring the cause of virtue, an impartial examination of the principles of this work will shew that its object...
第179页 - ... the brain; that intestine is the true seat of feeling: like the spider in the centre of his web, it is quickly warned of all the changes that happen to the body, even at the extremities to which it sends its filaments and branches. Experience enables us to ascertain, that man ceases to feel in those parts of his body of which the communication with the brain is intercepted; he feels very little, or not at all, whenever this organ is itself deranged or affected in too lively a manner. A proof...
第106页 - CENTRIFUGAL force, that force by which all bodies that move round any other body in a curve endeavour to fly off from the axis of their motion in a tangent to the periphery of the curve, and that in every point of it.
第130页 - ... him. If he had examined himself attentively, he must have acknowledged, that none of the motion he underwent was spontaneous he must have discovered, that even his birth depended on causes, wholly out of the reach of his own powers that, it was without his own consent he entered into the system in which he occupies a place that, from the moment in which he is born, until that in which he dies, he is continually impelled by causes, which, in spite of himself, influence his frame, modify his existence,...
第51页 - ... water be mixed together, these bodies thus capacitated to act on each other, are heated by degrees, and ultimately produce a violent combustion. If flour be wetted with water, and the mixture closed up, it will be found, after some lapse of time, (by the aid of a microscope) to have produced organized beings that enjoy life, of which the water and the flour were believed incapable: it is thus that inanimate matter can pass into life, or animate matter, which is in itself only an assemblage of...
第244页 - ... assembling itself, unless with great difficulty, as it cannot with tumult make known its intentions, it is obliged to choose citizens in whom it places a confidence, whom it makes the interpreter of its will, whom it constitutes the depositaries of the power requisite to carry it into execution. Such is the origin of all government, which to be legitimate can only be founded on the free consent of society. Those who are charged with the care of governing, call themselves sovereigns, chiefs, legislators:...
第119页 - ... who supposed the universe created and governed by an intelligence: ARISTOTLE reproaches him with having made an automaton of this intelligence; or in other words, with ascribing to it the production of things, only when he was at a loss to account for their appearance. From whence it may be deduced, that it is for want of being acquainted with the powers of Nature, or the properties of matter, that man has multiplied beings without necessity — that he has supposed the universe under the government...
第33页 - ... indicates, that the effect spoken of, necessarily springs, from the peculiar properties of those beings, which compose the mighty macrocosm. When therefore, it is said, Nature demands that man should pursue his own happiness, it is to prevent circumlocution, to avoid tautology ; it is to be understood, that it is the property of a being, that...

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