Famous quotes by Diogenes:Sort:PopularA - Z
| As a matter of self-preservation, a man needs good friends or ardent enemies, for the former instruct him and the latter take him to task. | |
| The foundation of every state is the education of its youth. |

| As a matter of self-preservation, a man needs good friends or ardent enemies, for the former instruct him and the latter take him to task. | |
| The foundation of every state is the education of its youth. |