| John Bartlett (18201905). Familiar Quotations, 10th ed. 1919. |
| |
| |
| NUMBER: | 9086 |
| AUTHOR: | Diogenes Laërtius (fl. early 3d cent.) |
| QUOTATION: | When Thales was asked what was difficult, he said, To know ones self. And what was easy, To advise another. |
| ATTRIBUTION: | Thales. ix. |
| BIOGRAPHY: | Columbia Encyclopedia. |
| |
|
|