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accept acid action affinities animals answer appear argument assertion authority Automatism believe body carbonic cause certain certainly chemical closely combination complex conclusion consciousness consideration considered continued Crown 8vo Darwin demonstrated direct doctrine doubt effects ELIZABETH BARRETT BROWNING equal essential evidence Evolution existence experiment facts faculty force further give higher human hypothesis idea illustration individual inorganic inquiry instance intelligence interesting knowledge known laws least less light living logical man's matter means mechanical mind motion natural selection nature necessary observation occurred ordinary organic origin perhaps period phenomena philosophy physical position possible present principle probable produce Professor Huxley Professor Tyndall properties protoplasm proved question reason recognised referred regard relation remains represent result scientific sense species structure suppose theory thought tion true truth vital volition
Sayfa 37 - Put out the light, and then put out the light. If I quench thee, thou flaming minister, I can again thy former light restore, Should I repent me; but once put out thy light, Thou cunning'st pattern of excelling nature, I know not where is that Promethean heat That can thy light relume.
Sayfa 51 - If the properties of water may be properly said to result from the nature and disposition of its component molecules, I can find no intelligible ground for refusing to say that the properties of protoplasm result from the nature and disposition of its molecules.
Sayfa 26 - But expectation is permissible where belief is not; and if it were given me to look beyond the abyss of geologically recorded time to the still more remote period when the earth was passing through physical and chemical conditions, which it can no more see again than a man can recall his infancy, I should expect to be a witness of the evolution of living protoplasm from not living matter.
Sayfa 56 - We live in a world which is full of misery and ignorance, and the plain duty of each and all of us is to try to make the little corner ho can influence somewhat less miserable and somewhat less ignorant than it was before he entered it.
Sayfa 25 - Carbon, hydrogen, oxygen, and nitrogen are all lifeless bodies. Of these, carbon and oxygen unite in certain proportions and under certain conditions, to give rise to carbonic acid ; hydrogen and oxygen produce water ; nitrogen and hydrogen give rise to ammonia. These new compounds, like the elementary bodies of which they are composed, are lifeJess.
Sayfa 68 - We come at length to those organisms which I have compared to drops of oil suspended in a mixture of alcohol and water. We reach the protogenes of Haeckel, in which we have ' a type distinguishable from a fragment of albumen only by its finely granular character.
Sayfa 111 - Madeira beetles is mainly due to the action of natural selection, combined probably with disuse. For during many successive generations each individual beetle which flew least, either from its wings having been ever so little less perfectly developed or from indolent habit, will have had the best chance of surviving from not being blown out to sea; and, on the other hand, those beetles which most readily took to flight would oftenest have been blown to sea and thus have been destroyed.
Sayfa 96 - At the present moment, but one such process of physical causation has any evidence in its favour; or, in other words, there is but one hypothesis regarding the origin of species of animals in general which has any scientific existence — that propounded by Mr. Darwin.
Sayfa 23 - We are conscious automata, endowed with free will in the only intelligible sense of that much-abused term — inasmuch as in many respects we are able to do as we like — but none the less parts of the great series of causes and effects which, in unbroken continuity, composes that which is, and has been, and shall be — the sum of existence.