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

Quote by Ivan Pavlov about air, science, perfection, man

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
Quote by Ivan Pavlov about air, science, perfection, man.
Ivan Pavlov

Ivan Pavlov 1849 - 1936, russian psychologist

Was born on: 14 sep 1849.
Died on 27 feb 1936, at 86 years old.
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