John Bartlett (1820–1905). Familiar Quotations, 10th ed. 1919.
9122 Diogenes Laërtius fl early 3d ent John Bartlett
| NUMBER: | 9122 |
| AUTHOR: | Diogenes Laërtius (fl. early 3d cent.) |
| QUOTATION: | There is a written and an unwritten law. The one by which we regulate our constitutions in our cities is the written law; that which arises from custom is the unwritten law. |
| ATTRIBUTION: | Plato. li. |