| John Bartlett (18201905). Familiar Quotations, 10th ed. 1919. |
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| NUMBER: | 9129 |
| AUTHOR: | Diogenes Laërtius (fl. early 3d cent.) |
| QUOTATION: | Very late in life, when he was studying geometry, some one said to Lacydes, Is it then a time for you to be learning now? If it is not, he replied, when will it be? |
| ATTRIBUTION: | Lacydes. v. |
| BIOGRAPHY: | Columbia Encyclopedia. |
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