Ivan Pavlov Quote: No.16
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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 | Refcard PDF ↑
Tool box
- Name:
- Ivan Pavlov (random)
- Books & Videos:
- Ivan Pavlov Books & Videos
- Type:
- Psychologist
- Nationality:
- Russian
- Birth Date / Year:
- September 14, 1849
- Death Date / Year:
- February 27, 1936
