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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."
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"Humboldt's early biographer, F.A. Schwarzenberg, subtitled his life of Humboldt What May Be Accomplished in a Lifetime. He summarised the areas of his subject's extraordinary curiosity as follows: '1) The knowledge of the Earth and its inhabitants. 2) The discovery of the higher laws of nature, which govern the universe, men, animals, plants, minerals. 3) The discovery of new forms of life. 4) The discovery of territories hitherto but imperfectly known, and their various productions. 5)The acquaintance with new species of the human race--- their manners, their language and the historical traces of their culture.' What may be accomplished in a lifetime---and seldom or never is."

"We are all inventors, each sailing out on a voyage of discovery, guided each by a private chart, of which there is no duplicate. The world is all gates, all opportunities."

"At first, that's who I was. I wanted to know more about this boy who lives among us, but who never truly speaks... But now I feel like finding out about him is one of the ways I found out about myself. I did not expect to love his words. I did no expect to find myself in the."
Explore more quotes by Ivan Pavlov

"Physiology has, at last, gained control over the nerves which stimulate the gastric glands and the pancreas."

"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."

"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."

"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."

"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."

"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."

"But man has still another powerful resource: natural science with its strictly objective methods."

"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."

"Our experiments not only proved the existence of a nervous apparatus in the above-mentioned glands, but also disclosed some facts clearly showing the participation of these nerves in normal activity."

"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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