Russian - Psychologist | September 26, 1849 - February 27, 1936
Don't become a mere recorder of facts, but try to penetrate the mystery of their origin.
Ivan Pavlov
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Our success was mainly due to the fact that we stimulated the nerves of animals that easily stood on their own feet and were not subjected to any painful stimulus either during or immediately before stimulation of their nerves.
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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.
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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.
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Appetite, craving for food, is a constant and powerful stimulator of the gastric glands.
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Physiology has, at last, gained control over the nerves which stimulate the gastric glands and the pancreas.
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While you are experimenting, do not remain content with the surface of things.
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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.
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But man has still another powerful resource: natural science with its strictly objective methods.
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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.
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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.
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Only by observing this condition would the results of our work be regarded as fully conclusive and as having elucidated the normal course of the phenomena.
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