9 ideas
| 16616 | Substances 'substand' (beneath accidents), or 'subsist' (independently) [Eustachius] |
| 16585 | Prime matter is free of all forms, but has the potential for all forms [Eustachius] |
| 9758 | To make sense of personal identity, focus on agency rather than experience [Korsgaard] |
| 9757 | A person viewed as an agent makes no sense without its own future [Korsgaard] |
| 9759 | Theory of action focuses on explanation and prediction; practical action on justification and choice [Korsgaard] |
| 9760 | Self-concern may be a source of pain, or a lack of self-respect, or a failure of responsibility [Korsgaard] |
| 9761 | Personal concern for one's own self widens out into concern for the impersonal [Korsgaard] |
| 13304 | Learned men gain more in one day than others do in a lifetime [Posidonius] |
| 20820 | Time is an interval of motion, or the measure of speed [Posidonius, by Stobaeus] |