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 PavlovAppetite, craving for food, is a constant and powerful stimulator of the gastric glands.
Ivan PavlovMen are apt to be much more influenced by words than by the actual facts of the surrounding reality
Ivan PavlovEdible 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