6 ideas
21548 | The null class is the class with all the non-existents as its members [MacColl, by Lackey] |
21677 | How can the not-true fail to be false, or the not-false fail to be true? [Cicero] |
5987 | Alcmaeon was the first to say the brain is central to thinking [Alcmaeon, by Staden, von] |
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] |
24043 | Soul must be immortal, since it continually moves, like the heavens [Alcmaeon, by Aristotle] |