John Bartlett (1820–1905). Familiar Quotations, 10th ed. 1919.
9171 Diogenes Laërtius fl early 3d ent John Bartlett
| NUMBER: | 9171 |
| AUTHOR: | Diogenes Laërtius (fl. early 3d cent.) |
| QUOTATION: | In the time of Pythagoras that proverbial phrase “Ipse dixit” 1 was introduced into ordinary life. |
| ATTRIBUTION: | Pythagoras. xxv. |
| Note 1. [greek] (The master said so). [back] |