Lack of achievement in work may breed pessimism and depression, while achievement may breed pride and arrogance.
 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 achievement
Date 1964
Language English
Reference
Note Translated by Foreign Language Press, Peking
Weblink https://archive.org/details/QuotationsFromChairmanMaoTse-tung