Ivan Pavlov Quotes

Don't become a mere recorder of facts, but try to penetrate the mystery of their origin.

Never think that you already know all. However highly you are appraised, always have the courage to say to yourself-I am ignorant.

Men are apt to be much more influenced by words than by the actual facts of the surrounding reality

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.

While you are experimenting, do not remain content with the surface of things.

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.

Learn, compare, collect the facts!

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.

Perfect as the wing of a bird may be, it will never enable the bird to fly.

Do not become archivists of facts. Try to penetrate to the secret of their occurrence, persistently search for the laws which govern them.

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.

It is still open to question whether psychology is a natural science, or whether it can be regarded as a science at all.

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.

School yourself to demureness and patience. Learn to inure yourself to drudgery in science. Learn, compare, collect the facts.

Appetite, craving for food, is a constant and powerful stimulator of the gastric glands.

Gradualness, gradualness, and gradualness. From the very beginning of your work, school yourself to severe gradualness in the accumulation of knowledge.

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.

Learn the ABC of science before you try to ascend to its summit.

Possibilities are like the wings of birds; they allow man to soar and to climb to the heavens. And facts are like the atmosphere against which those wings must beat, and without which the soaring bird will surely plummet back to earth.

It is clear to all that the animal organism is a highly complex system consisting of an almost infinite series of parts connected both with one another and, as a total complex, with the surrounding world, with which it is in a state of equilibrium.

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.

It goes without saying that the desire to accomplish the task with more confidence, to avoid wasting time and labour, and to spare our experimental animals as much as possible, made us strictly observe all the precautions taken by surgeons in respect to their patients.

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.

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

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