8 ideas
| 13197 | The notion of substance is one of the keys to true philosophy [Leibniz] |
| 20180 | A happy and joyous life must largely be a quiet life [Russell] |
| 7903 | The six perfections are giving, morality, patience, vigour, meditation, and wisdom [Nagarjuna] |
| 20176 | Boredom is an increasingly strong motivating power [Russell] |
| 20178 | Life is now more interesting, but boredom is more frightening [Russell] |
| 20177 | Boredom always involves not being fully occupied [Russell] |
| 20179 | Happiness involves enduring boredom, and the young should be taught this [Russell] |
| 13198 | Gravity is within matter because of its structure, and it can be explained. [Leibniz] |