“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
The post Ivan Pavlov – Perfect as the wing of… appeared first on Quote Climax!.
source https://quoteclimax.com/ivan-pavlov-perfect-as-the-wing-of/
No comments:
Post a Comment