 | William Thompson Sedgwick - 1902 - 416 páginas
...SUSCEPTIBILITY AND IMMUNITY " Nothing is easier than to admit in words the truth of the universal struggle for life, or more difficult — at least I have found...than constantly to bear this conclusion in mind." " Let it also be borne in mind how infinitely complex and closefitting are the mutual relations of... | |
 | Dennis Hird - 1903 - 260 páginas
...truth. Darwin says : " Nothing is easier than to admit in words the truth of the universal struggle for life, or more difficult — at least I have found...variation, will be dimly seen or quite misunderstood" (Origin of Species, p. 49). "I should premise that I use this term ["struggle for existence "] in a... | |
 | 1903 - 594 páginas
...keen. As Dnrwin says : " Nothing is easier than to admit, in words the truth of the universal struggle for life, or more difficult, at least I have found...than constantly to bear this conclusion in mind." • , Teak is invariably admitted to resist fire better than most other species, and I will further... | |
 | 1904 - 814 páginas
..." Nothing is easier than' to admit in words the truth of tl»e universal struggle for life, orBtore difficult, at least I have found it so, than constantly to bear this conclusion in mind." - , Teak is invariably admitted to resist fire better than most other species, and I will further quote... | |
 | Francis Rolt-Wheeler - 1909 - 318 páginas
...Nothing is easier than to admit in words the truth of the universal struggle for life, or more difficult than constantly to bear this conclusion in mind. Yet unless it be thoroly ingrained in the mind, the whole economy of nature, with every fact on distribution, rarity,... | |
 | John Arthur Thomson - 1910 - 410 páginas
...mind. " Nothing is easier," Darwin said, " than to admit in words the truth of the universal struggle for life, or more difficult — at least I have found...extinction, and variation, will be dimly seen or quite misunderstood."1 If a recognition of the " struggle for existence " is essential to a clear outlook... | |
 | Sir Patrick Geddes, John Arthur Thomson - 1911 - 266 páginas
...his mind. "Nothing is easier," he said, "than to admit in words the truth of the universal struggle for life, or more difficult — at least I have found...than constantly to bear this conclusion in mind." . . . "I use this term ['struggle for existence'] in a large and metaphorical sense, including dependence... | |
 | Charles Christopher Adams - 1913 - 230 páginas
...Aggregations and Associations. "Nothing is easier than to admit in words the truth of the universal struggle for life, or more difficult — at least I have found...variation, will be dimly seen or quite misunderstood." — DARWIN. "Every reflective biologist must know that no living being is self-sufficient, or would... | |
 | Clarence Marsh Case - 1924 - 1026 páginas
...horticultural knowledge. Nothing is easier than to admit in words the truth of the universal struggle for life, or more difficult — at least I have found...this conclusion in mind. Yet unless it be thoroughly ingrained in the mind, the whole economy of Nature, with every fact on distribution, rarity, abundance,... | |
 | Edwin Stephen Goodrich - 1924 - 222 páginas
...p. 44), As Darwin says, unless ' the truth of the universal struggle for life be constantly borne in mind the whole economy of nature, with every fact...variation, will be dimly seen or quite misunderstood '. The enormous rate at which even the most slowly reproducing creatures are capable of increasing... | |
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Nothing is easier than to admit in words the truth of the universal struggle for life, or more difficult — at least I have found it so — than constantly to bear this conclusion in mind. 
