9 ideas
| 9073 | Abstraction from an ambiguous concept like 'mole' will define them as the same [Barnes,J] |
| 9074 | Abstraction cannot produce the concept of a 'game', as there is no one common feature [Barnes,J] |
| 9072 | Defining concepts by abstractions will collect together far too many attributes from entities [Barnes,J] |
| 20180 | A happy and joyous life must largely be a quiet life [Russell] |
| 20177 | Boredom always involves not being fully occupied [Russell] |
| 20179 | Happiness involves enduring boredom, and the young should be taught this [Russell] |
| 20176 | Boredom is an increasingly strong motivating power [Russell] |
| 20178 | Life is now more interesting, but boredom is more frightening [Russell] |
| 7907 | Human killing is worse if the victim is virtuous [Buddhaghosa] |