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 More Quotes by Ivan Pavlov More Quotes From Ivan Pavlov Never think that you already know all. However highly you are appraised, always have the courage to say to yourself-I am ignorant. Ivan Pavlov ignorant ignorance thinking Don't become a mere recorder of facts, but try to penetrate the mystery of their origin. Ivan Pavlov psychology trying facts When the dog is repeatedly teased with the sight of objects inducing salivary secretion from a distance, the reaction of the salivary glands grows weaker and weaker and finally drops to zero. Ivan Pavlov distance zero dog While you are experimenting, do not remain content with the surface of things. Ivan Pavlov surface 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 passion men two Men are apt to be much more influenced by words than by the actual facts of the surrounding reality Ivan Pavlov men reality facts 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 analysis mind men 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 air wings men Appetite, craving for food, is a constant and powerful stimulator of the gastric glands. Ivan Pavlov adrenal-glands appetite powerful It is still open to question whether psychology is a natural science, or whether it can be regarded as a science at all. Ivan Pavlov psychology stills natural Do not become archivists of facts. Try to penetrate to the secret of their occurrence, persistently search for the laws which govern them. Ivan Pavlov secret law science Perfect as the wing of a bird may be, it will never enable the bird to fly. Ivan Pavlov perfect wings bird Gradualness, gradualness, and gradualness. From the very beginning of your work, school yourself to severe gradualness in the accumulation of knowledge. Ivan Pavlov severe accumulation school Learn, compare, collect the facts! Ivan Pavlov compare facts 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 psychology important science School yourself to demureness and patience. Learn to inure yourself to drudgery in science. Learn, compare, collect the facts. Ivan Pavlov compare facts school 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 links bread men If we could look through the skull into the brain of a consciously thinking person, and if the place of optimal excitability were luminous, then we should see playing over the cerebral surface, a bright spot with fantastic, waving borders constantly fluctuating in size and form, surrounded by a darkness more or less deep, covering the rest of the hemisphere. Ivan Pavlov skulls darkness thinking Thanks to our present surgical methods in physiology we can demonstrate at any time almost all phenomena of digestion without the loss of even a single drop of blood, without a single scream from the animal undergoing the experiment. Ivan Pavlov loss animal blood From the described experiment it is clear that the mere act of eating, the food even not reaching the stomach, determines the stimulation of the gastric glands. Ivan Pavlov ice-cream swag eating
