Foundation Number One was a world of physical scientists. It represented a concentration of the dying science of the Galaxy under the conditions nece… - Isaac Asimov

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Foundation Number One was a world of physical scientists. It represented a concentration of the dying science of the Galaxy under the conditions necessary to make it live again. No psychologists were included. It was a peculiar distortion, and must have had a purpose. The usual explanation was that Seldon's psychohistory worked best where the individual working units — human beings — had no knowledge of what was coming, and could therefore react naturally to all situations. Do you follow me, my dear — " "Yes, Doctor." "Then listen carefully. Foundation Number Two was a world of mental scientists. It was the mirror image of our world. Psychology, not physics, was king." Triumphantly. "You see?" "I don't." "But think, Bayta, use your head. Hari Seldon knew that his psychohistory could predict only probabilities, and not certainties. There was always a margin of error, and as time passed that margin increases in geometric progression. Seldon would naturally guard as well as he could against it. Our Foundation was scientifically vigorous. It could conquer armies and weapons. It could pit force against force. But what of the mental attack of a mutant such as the Mule?" "That would be for the psychologists of the Second Foundation!" Bayta felt excitement rising within her. "Yes, yes, yes! Certainly!" "But they have done nothing so far." "How do you know they haven't?" Bayta considered that, "I don't. Do you have evidence that they have?" "No. There are many factors I know nothing of. The Second Foundation could not have been established full-grown, any more than we were. We developed slowly and grew in strength; they must have also. The stars know at what stage their strength is now. Are they strong enough to fight the Mule? Are they aware of the danger in the first place? Have they capable leaders?" "But if they follow Seldon's plan, then the Mule must be beaten by the Second Foundation.