12 ideas
| 13795 | Properties only have identity in the context of their contraries [Elder] |
| 13798 | Maybe we should give up the statue [Elder] |
| 13797 | The loss of an essential property means the end of an existence [Elder] |
| 13794 | Essential properties by nature occur in clusters or packages [Elder] |
| 13796 | Essential properties are bound together, and would be lost together [Elder] |
| 20180 | A happy and joyous life must largely be a quiet life [Russell] |
| 20176 | Boredom is an increasingly strong motivating power [Russell] |
| 20177 | Boredom always involves not being fully occupied [Russell] |
| 20178 | Life is now more interesting, but boredom is more frightening [Russell] |
| 20179 | Happiness involves enduring boredom, and the young should be taught this [Russell] |
| 1748 | Archelaus was the first person to say that the universe is boundless [Archelaus, by Diog. Laertius] |
| 5989 | Archelaus said life began in a primeval slime [Archelaus, by Schofield] |