8 ideas
| 5987 | Alcmaeon was the first to say the brain is central to thinking [Alcmaeon, by Staden, von] |
| 3789 | The more reasons that compel me, the freer I am [Descartes] |
| 20180 | A happy and joyous life must largely be a quiet life [Russell] |
| 20178 | Life is now more interesting, but boredom is more frightening [Russell] |
| 20176 | Boredom is an increasingly strong motivating power [Russell] |
| 20179 | Happiness involves enduring boredom, and the young should be taught this [Russell] |
| 20177 | Boredom always involves not being fully occupied [Russell] |
| 24043 | Soul must be immortal, since it continually moves, like the heavens [Alcmaeon, by Aristotle] |