7 ideas
| 2667 | A false object might give the same presentation as a true one [Arcesilaus, by Cicero] |
| 468 | Musical performance can reveal a range of virtues [Damon of Ath.] |
| 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] |