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

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

Learn, compare, collect the facts!

- Ivan Pavlov

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.

- 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

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

- Ivan Pavlov