21 ideas
| 5893 | A wise man has integrity, firmness of will, nobility, consistency, sobriety, patience [Cicero] |
| 5891 | Philosophy is the collection of rational arguments [Cicero] |
| 5879 | The soul is the heart, or blood in the heart, or part of the brain, of something living in heart or brain, or breath [Cicero] |
| 5884 | How can one mind perceive so many dissimilar sensations? [Cicero] |
| 5887 | The soul has a single nature, so it cannot be divided, and hence it cannot perish [Cicero] |
| 5886 | Like the eye, the soul has no power to see itself, but sees other things [Cicero] |
| 5885 | Souls contain no properties of elements, and elements contain no properties of souls [Cicero] |
| 468 | Musical performance can reveal a range of virtues [Damon of Ath.] |
| 5890 | We should not share the distress of others, but simply try to relieve it [Cicero] |
| 5894 | All men except philosophers fear poverty [Cicero] |
| 21075 | The state of nature always involves the threat of war [Kant] |
| 20569 | Kant made the social contract international and cosmopolitan [Kant, by Oksala] |
| 21079 | The a priori general will of a people shows what is right [Kant] |
| 21077 | Each nation should, from self-interest, join an international security constitution [Kant] |
| 21078 | A constitution must always be improved when necessary [Kant] |
| 5895 | If one despises illiterate mechanics individually, they are not worth more collectively [Cicero] |
| 21076 | Equality is where you cannot impose a legal obligation you yourself wouldn't endure [Kant] |
| 20570 | There is now a growing universal community, and violations of rights are felt everywhere [Kant] |
| 20571 | There are political and inter-national rights, but also universal cosmopolitan rights [Kant] |
| 21073 | Hiring soldiers is to use them as instruments, ignoring their personal rights [Kant] |
| 21074 | Some trust in the enemy is needed during wartime, or peace would be impossible [Kant] |