“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.Quote by Ivan PavlovTopics: Quotes about Ivan PavlovShare on:FacebookPinterestWhatsApp
Physiology has, at last, gained control over the nerves which stimulate the gastric glands and...#Ivan Pavlov
The digestive canal represents a tube passing through the entire organism and communicating with the...#Ivan Pavlov
Edible substances evoke the secretion of thick, concentrated saliva. Why? The answer, obviously, is that...#Ivan Pavlov
But man has still another powerful resource: natural science with its strictly objective methods.#Ivan Pavlov
