5 ideas
| 6004 | The cardinal virtues are theoretical (based on knowledge), and others are 'non-theoretical' [Hecato, by Dorandi] |
| 13304 | Learned men gain more in one day than others do in a lifetime [Posidonius] |
| 4052 | It has become normal to consider passive euthanasia while condemning active euthanasia [Rachels] |
| 4053 | If it is desirable that a given patient die, then moral objections to killing them do not apply [Rachels] |
| 20820 | Time is an interval of motion, or the measure of speed [Posidonius, by Stobaeus] |