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.

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


		Name: Ivan Pavlov Type: Psychologist Nationality: Russian Birth: September 14, 1849 Death: February 27, 1936

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