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action activity acts adapted æsthetic Animate Nature answer aspect beauty become begin behaviour biological birds body brain called capacity cell certain characteristic chemical complex concepts continuance correlation course described difficulties direct domain effective emotion endeavour energy evolution experience expression fact feeling force functions give given hand human idea illustrate important individual inorganic instance instinctive intelligent interesting interpretation kind knowledge known less limitations lines living creatures look material matter means mechanical mechanistic mental mind move movements Nature object observed organisms particular pass perhaps philosophical physical plants possible present problem processes Prof Professor question reactions reality realm of organisms recognise reflex regard relation result scientific seems selection sense simple sometimes speak species struggle for existence suggest theory things tion true vital whole
Strana 63 - Natural causes, as we know, are at work, which tend to modify, if they do not at length destroy, all the arrangements and dimensions of the earth and the whole solar system. But though in the course of ages catastrophes have occurred, and may yet occur, in the heavens, though ancient systems may be dissolved and new systems evolved out of their ruins, the molecules out of which these systems are built — the foundation-stones of .the material universe — remain unbroken and unworn.
Strana 323 - The old argument from design in Nature, as given by Paley, which formerly seemed to me so conclusive, fails, now that the law of natural selection has been discovered. We can no longer argue that, for instance, the beautiful hinge of a bivalve shell must have been made by an intelligent being, like the hinge of a door by a man. There seems to be no more design in the variability of organic beings, and in the action of natural selection, than in the course which the wind blows.
Strana 268 - What to others a trifle appears Fills me full of smiles or tears; For double the vision my Eyes do see, And a double vision is always with me. With my inward Eye 'tis an old Man grey; With my outward, a Thistle across my way. "If thou goest back...
Strana 30 - Poetry is the breath and finer spirit of all knowledge ; it is the impassioned expression which is in the countenance of all Science.
Strana 177 - In no case may we interpret an action as the outcome of the exercise of a higher psychical faculty, if it can be interpreted as the outcome of the exercise of one which stands lower in the psychological scale.
Strana 272 - That rivulet of smooth silver — how does it flow, think you ? It literally rows on the earth, with every scale for an oar; it bites the dust with the ridges of its body. Watch it, when it moves slowly : — A wave, but without wind...
Strana 97 - it is the peculiarity of living things not merely that they change under the influence of surrounding circumstances, but that any change which takes place in them is not lost but retained, and as it were built into the organism to serve as the foundation for future actions.