Therefore, man has constantly to sum up experience and go on discovering, inventing, creating and advancing. Ideas of stagnation, pessimism, inertia and complacency are all wrong.
 Mao Zedong, Quotations from Chairman Mao Tse-tung (1964). copy citation

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Author Mao Zedong
Source Quotations from Chairman Mao Tse-tung
Topic pessimism experience
Date 1964
Language English
Reference
Note Translated by Foreign Language Press, Peking
Weblink https://archive.org/details/QuotationsFromChairmanMaoTse-tung