6 ideas
| 291 | Don't assume that wisdom is the automatic consequence of old age [Plato] |
| 6408 | Russell needed three extra axioms to reduce maths to logic: infinity, choice and reducibility [Grayling] |
| 6414 | Two propositions might seem self-evident, but contradict one another [Grayling] |
| 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] |