| The Columbia World of Quotations. 1996. |
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| NUMBER: | 33738 |
| QUOTATION: | To know yet to think that one does not know is best; Not to know yet to think that one knows will lead to difficulty. |
| ATTRIBUTION: | Lao-Tzu (6th century B.C.), Chinese philosopher. Tao-te-ching, bk. 2, ch. 71, trans. by T.C. Lau (1963). |
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| | | The Columbia World of Quotations. Copyright © 1996 Columbia University Press. |
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