Gradualness, gradualness, and gradualness. From the very beginning of your work, school yourself to severe gradualness in the accumulation of knowledge.
Ivan PavlovAppetite, craving for food, is a constant and powerful stimulator of the gastric glands.
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 PavlovDo not become archivists of facts. Try to penetrate to the secret of their occurrence, persistently search for the laws which govern them.
Ivan Pavlov