9 ideas
| 291 | Don't assume that wisdom is the automatic consequence of old age [Plato] |
| 3626 | Knowing the attributes is enough to reveal a substance [Descartes] |
| 3630 | Our thinking about external things doesn't disprove the existence of innate ideas [Descartes] |
| 3631 | A blind man may still contain the idea of colour [Descartes] |
| 293 | Being unafraid (perhaps through ignorance) and being brave are two different things [Plato] |
| 21051 | Check your rationality by thinking of your opinion pronounced by the supreme court [Rawls] |
| 21119 | Power is only legitimate if it is reasonable for free equal citizens to endorse the constitution [Rawls] |
| 3639 | Necessary existence is a property which is uniquely part of God's essence [Descartes] |
| 3640 | Possible existence is a perfection in the idea of a triangle [Descartes] |