5 ideas
21677 | How can the not-true fail to be false, or the not-false fail to be true? [Cicero] |
19440 | How do you know you have conceived a thing deeply enough to assess its possibility? [Vaidya] |
21667 | Oratory and philosophy are closely allied; orators borrow from philosophy, and ornament it [Cicero] |
21678 | If desire is not in our power then neither are choices, so we should not be praised or punished [Cicero] |
6004 | The cardinal virtues are theoretical (based on knowledge), and others are 'non-theoretical' [Hecato, by Dorandi] |