On the Nature of Life

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H.K. Lewis, 1879 - 328 หน้า
 

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หน้า 134 - It may seem a small thing to admit that the dull vital actions of a fungus, or a foraminifer, are the properties of their protoplasm, and are the direct results of the nature of the matter of which they are composed.
หน้า 26 - I can discover no logical haltingplace between the admission that such is the case, and the further concession that all vital action may, with equal propriety, be said to be the result of the molecular forces of the protoplasm which displays it. And if so, it must be true, in the same sense and to the same extent, that the thoughts to which I am now giving utterance, and your thoughts regarding them, are the expression- of molecular changes in that matter of life which is the source of our other...
หน้า 25 - I bid you beware that, in accepting these conclusions, you are placing your feet on the first rung of a ladder which, in most people's estimation, is the reverse of Jacob's, and leads to the antipodes of heaven.
หน้า 124 - It seems evident that, if all the scenes of nature were continually shifted in such a manner that no two events bore any resemblance to each other, but every object was entirely new, without any similitude to whatever had been seen before, we should never, in that case, have attained the least idea of necessity, or of a connexion among these objects. We might say, upon such a supposition, that one object or event has followed another; not that one was produced by the other. The relation of cause...
หน้า 130 - ... if it be hard to get them out of, it is not for the strength that is in them, but the briars and thorns, and the obscurity of the thickets they are beset with.
หน้า 124 - We might say, upon such a supposition, that one object or event has followed another, not that one vras produced by the other. The relation of cause and effect must be utterly unknown to mankind. Inference and reasoning concerning the operations of nature would from that moment be at an end...
หน้า 138 - At any rate, the matter of life is a veritable peau de chagrin, and for every vital act it is somewhat the smaller. All work implies waste, and the work of life results, directly or indirectly, in the waste of protoplasm.
หน้า 111 - IN reading authors, when you find Bright passages that strike your mind, And which perhaps you may have reason To think on at another season, Be not contented with the sight, But take them down in black and Such a respect is wisely shown That makes another's sense one's own.
หน้า 51 - It is indeed in general no more than effects that the most knowing are acquainted with; for as to causes, they are as entirely in the dark as the most ignorant.
หน้า 139 - I find no record of the commencement of life, and therefore I am devoid of any means of forming a definite conclusion as to the conditions of its appearance. Belief, in the scientific sense of the word, is a serious matter, and needs strong foundations. To say, therefore, in the admitted absence of evidence, that I have any belief as to the mode in which the existing forms of life have originated, would be using words in a wrong sense.

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