13 ideas
| 3654 | The pineal gland links soul to body, and unites the two symmetrical sides of the body [Descartes, by PG] |
| 4015 | For Descartes passions are God-given preservers of the mind-body union [Descartes, by Taylor,C] |
| 4313 | Are there a few primary passions (say, joy, sadness and desire)? [Descartes, by Cottingham] |
| 23989 | There are six primitive passions: wonder, love, hatred, desire, joy and sadness [Descartes, by Goldie] |
| 20037 | Merely willing to walk leads to our walking [Descartes] |
| 16763 | We don't die because the soul departs; the soul departs because the organs cease functioning [Descartes] |
| 20180 | A happy and joyous life must largely be a quiet life [Russell] |
| 4016 | Descartes makes strength of will the central virtue [Descartes, by Taylor,C] |
| 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] |
| 20698 | Irenaeus says evil is necessary for perfect human development [Irenaeus, by Davies,B] |