Charles Lyell idézet
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Sir Charles Lyell a 19. századi geológia legnagyobb alakja, a darwini evolúcióelmélet inspirátora.

Korszakalkotó műve a Principles of Geology , amely az első valóban modern geológiai munka. Ebben Lyell világosan kimutatja, hogy a Föld több százmillió éves .

Lyell nevéhez fűződik az uniformizmus elve. 1841 és 1842 között, majd 1845 és 1846 között beutazta Észak-Amerikát, mely utazásainak eredményeiről Travels in North America és a Second visit to the United States című műveiben ad számot. Nagy feltűnést keltett az emberi nem eredetéről és koráról írt könyve: Geological evidences of the antiquity of man . Wikipedia  

✵ 14. november 1797 – 22. február 1875
Charles Lyell fénykép
Charles Lyell: 103   idézetek 0   Kedvelés

Charles Lyell: Idézetek angolul

“He [ Aristotle ] refers to many examples of changes now constantly going on, and insists emphatically on the great results which they must produce in the lapse of ages. He instances particular cases of lakes that had dried up, and deserts that had at length become watered by rivers and fertilized. He points to the growth of the Nilotic delta since the time of Homer, to the shallowing of the Palus Maeotis within sixty years from his own time… He alludes,… to the upheaving of one of the Eolian islands, previous to a volcanic eruption. The changes of the earth, he says, are so slow in comparison to the duration of our lives, that they are overlooked; and the migrations of people after great catastrophes, and their removal to other regions, cause the event to be forgotten…. He says [twelfth chapter of his Meteorics] 'the distribution of land and sea in particular regions does not endure throughout all time, but it becomes sea in those parts where it was land, and again it becomes land where it was sea, and there is reason for thinking that these changes take place according to a certain system, and within a certain period.' The concluding observation is as follows: 'As time never fails, and the universe is eternal, neither the Tanais, nor the Nile, can have flowed for ever. The places where they rise were once dry, and there is a limit to their operations, but there is none to time. So also of all other rivers; they spring up and they perish; and the sea also continually deserts some lands and invades others The same tracts, therefore, of the earth are not some always sea, and others always continents, but every thing changes in the course of time.”

Charles Lyell könyv Principles of Geology

Chpt.2, p. 17
Principles of Geology (1832), Vol. 1

“Of Dr. Hooker, whom I have often cited in this chapter, Mr. Darwin has spoken in the Introduction to his 'Origin of Species, as one 'who had, for fifteen years, aided him in every possible way, by his large stores of knowledge, and his excellent judgement.' This distinguished botanist published his 'Introductory Essay to the Flora of Australia' in 1859, the year after the memoir on 'Natural Selection' was communicated to the Linnaean Society, and a few months before the appearance of the' Origin of Species.'… no one was better qualified by observation and reflection to give an authoritative opinion on the question, whether the present vegetation of the globe is or is not in accordance with the theory which Mr. Darwin has proposed. We cannot but feel, therefore, deeply interested when we find him making the following declaration: 'The mutual relations of the plants of each great botanical province, and, in fact, of the world generally, is just such as would have resulted if variation had gone on operating throughout indefinite periods, in the same manner as we see it act in a limited number of centuries, so as gradually to give rise in the course of time, to the most widely divergent forms…. The element of mutability pervades the whole Vegetable Kingdom; no class, nor order, nor genus of more than a few species claims absolute exemption from it, whilst the grand total of unstable forms, generally assumed to be species, probably exceeds that of the stable.”

Forrás: The Geological Evidences of the Antiquity of Man (1863), Ch.21, p. 417-418

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