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American anatomy animals appear Balfour beauty believe biology birds brought Burroughs Cambridge cause century Charles close colors comparative continued Cope Darwin early entered entirely environment evolution experience expressed eyes fact father field finally friends gave genius give greatest human Huxley Huxley's ideas important impression influence intellectual interesting John journey kind knowledge known laws leading lecture Leidy less lines living look meeting mind natural selection naturalist never observation once opinion original perhaps period philosophical physical plants powers prepared present principle Professor published Roosevelt scientific showed side single soul South special creation species spirit theory things thought tion true truth turn University variation vision volume Wallace whole wonderful writings wrote young
Page 14 - ... it at once struck me that under these circumstances favourable variations would tend to be preserved, and unfavourable ones to be destroyed. The result of this would be the formation of new species. Here then I had at last got a theory by which to work...
Page 41 - I have steadily endeavoured to keep my mind free so as to give up any hypothesis, however much beloved (and I cannot resist forming one on every subject), as soon as facts are shown to be opposed to it.
Page 28 - The inference I would draw from this class of phenomena is, that a superior intelligence has guided the development of man in a definite direction, and for a special purpose, just as man guides the development of many animal and vegetable forms.
Page 36 - Therefore my success as a man of science, whatever this may have amounted to, has been determined, as far as I can judge, by complex and diversified mental qualities and conditions. Of these, the most important have been— the love of science— unbounded patience in long reflecting over any subject— industry in observing and collecting facts— and a fair share of invention as well as of common sense. With such moderate abilities as I possess, it is truly surprising that I should have influenced...
Page 188 - Mounting toward the upland again, I pause reverently as the hush and stillness of twilight come upon the woods. It is the sweetest, ripest hour of the day. And as the hermit's evening hymn goes up from the deep solitude below me, I experience that serene exaltation of sentiment of which music, literature, and religion are but the faint types and symbols.
Page v - MAY I join the choir invisible Of those immortal dead who live again In minds made better by their presence : live In pulses stirred to generosity, In deeds of daring rectitude, in scorn For miserable aims that end with self. In thoughts sublime that pierce the night like stars, And with their mild persistence urge man's search To vaster issues.
Page 20 - Even the peculiar colours of many animals, especially insects, so closely resembling the soil or the leaves or the trunks on which they habitually reside, are explained on the same principle ; for though in the course of ages varieties of many tints may have occurred, yet those races having colours best adapted to concealment from their enemies would inevitably survive the longest.
Page 35 - ... can judge, by complex and diversified mental qualities and conditions. Of these, the most important have been — the love of science — unbounded patience in long reflecting over any subject — industry in observing and collecting facts — and a fair share of invention as well as of common sense. With such moderate abilities as I possess, it is truly surprising that I should have influenced to a considerable extent the belief of scientific men on some important points.