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The Sun-Paul must consider only one thing: what is the relation of this or that external reaction of the animal to the phenomena of the external world?

Ivan Pavlov

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Ivan Pavlov
Age: 87 †
Born: 1849
Born: January 1
Died: 1936
Died: January 1
Chemist
Neurologist
Physician
Physiologist
Pavlov Ivan
Ivan Petrovich Pavlov
World
External
Reactions
Relation
Consider
Sun
Animal
Phenomena
Must
Paul
Thing
Reaction

More quotes by Ivan Pavlov

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Science demands from a man all his life. If you had two lives that would not be enough for you. Be passionate in your work and in your searching.
Ivan Pavlov
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It is not accidental that all phenomena of human life are dominated by the search for daily bread - the oldest link connecting all living things, man included, with the surrounding nature.
Ivan Pavlov
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Finally, as the digestive canal is a complex system, a series of separate chemical laboratories, I cut the connections between them in order to investigate the course of phenomena in each particular laboratory thus I resolved the digestive canal into several separate parts.
Ivan Pavlov
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Learn, compare, collect the facts!
Ivan Pavlov
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The physiologist who succeeds in penetrating deeper and deeper into the digestive canal becomes convinced that it consists of a number of chemical laboratories equipped with various mechanical devices.
Ivan Pavlov
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Physiology has, at last, gained control over the nerves which stimulate the gastric glands and the pancreas.
Ivan Pavlov
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While you are experimenting, do not remain content with the surface of things.
Ivan Pavlov
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It goes without saying that the desire to accomplish the task with more confidence, to avoid wasting time and labour, and to spare our experimental animals as much as possible, made us strictly observe all the precautions taken by surgeons in respect to their patients.
Ivan Pavlov
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As was to be expected, the discovery of the nervous apparatus of the salivary glands immediately impelled physiologists to seek a similar apparatus in other glands lying deeper in the digestive canal.
Ivan Pavlov
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Perfect as the wing of a bird may be, it will never enable the bird to fly if unsupported by the air. Facts are the air of science. Without them a man of science can never rise.
Ivan Pavlov
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School yourself to demureness and patience. Learn to inure yourself to drudgery in science. Learn, compare, collect the facts.
Ivan Pavlov
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Perfect as the wing of a bird may be, it will never enable the bird to fly.
Ivan Pavlov
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It has long been known for sure that the sight of tasty food makes a hungry man's mouth water also lack of appetite has always been regarded as an undesirable phenomenon, from which one might conclude that appetite is essentially linked with the process of digestion.
Ivan Pavlov
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I am convinced that an important stage of human thought will have been reached when the physiological and the psychological, the objective and the subjective, are actually united, when the tormenting conflicts or contradictions between my consciousness and my body will have been factually resolved or discarded.
Ivan Pavlov
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Men are apt to be much more influenced by words than by the actual facts of the surrounding reality
Ivan Pavlov
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Mankind will possess incalculable advantages and extraordinary control over human behavior when the scientific investigator will be able to subject his fellow men to the same external analysis he would employ for any natural object, and when the human mind will contemplate itself not from within but from without.
Ivan Pavlov
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Possibilities are like the wings of birds they allow man to soar and to climb to the heavens. And facts are like the atmosphere against which those wings must beat, and without which the soaring bird will surely plummet back to earth.
Ivan Pavlov
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Edible substances evoke the secretion of thick, concentrated saliva. Why? The answer, obviously, is that this enables the mass of food to pass smoothly through the tube leading from the mouth into the stomach.
Ivan Pavlov
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Don't become a mere recorder of facts, but try to penetrate the mystery of their origin.
Ivan Pavlov
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As we have seen, bread, and especially dry bread, evokes secretion of considerably larger quantities of saliva than meat.
Ivan Pavlov