8 ideas
| 3269 | If your life is to be meaningful as part of some large thing, the large thing must be meaningful [Nagel] |
| 21227 | The Cogito demands a bridge to the world, and ends in isolating the ego [Velarde-Mayol] |
| 21215 | The representation may not be a likeness [Velarde-Mayol] |
| 3270 | Justifications come to an end when we want them to [Nagel] |
| 3268 | If a small brief life is absurd, then so is a long and large one [Nagel] |
| 13304 | Learned men gain more in one day than others do in a lifetime [Posidonius] |
| 21219 | Find the essence by varying an object, to see what remains invariable [Velarde-Mayol] |
| 20820 | Time is an interval of motion, or the measure of speed [Posidonius, by Stobaeus] |