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

- Ivan Pavlov

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

- Ivan Pavlov

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

- Ivan Pavlov

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

- Ivan Pavlov

Learn, compare, collect the facts!

- Ivan Pavlov

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 ma…

- Ivan Pavlov

When the dog is repeatedly teased with the sight of objects inducing salivary secretion from a distance, the reaction of the salivary glands grows we…

- Ivan Pavlov

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

- Ivan Pavlov

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 pai…

- Ivan Pavlov