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

"Do not become a mere recorder of facts, but try and penetrate the mystery of their origin."

- Ivan Pavlov

"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."

- Ivan Pavlov

"Learn, compare, collect the facts!"

- Ivan Pavlov

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

- Ivan Pavlov

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

- 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 man of science can never rise."

- Ivan Pavlov