The third-rate mind is only happy when it is thinking with the majority. The second-rate mind is only happy when it is thinking

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The third-rate mind is only happy when it is thinking with the majority. The second-rate mind is only happy when it is thinking with the minority. The first-rate mind is only happy when it is thinking.

Was said by - : 
A. A. Milne
More about the Author: 
English juvenile author (1882 - 1956)