13 ideas
| 3067 | A philosopher should have principles ready for understanding, like a surgeon with instruments [Aurelius] |
| 15873 | Laws of nature are just records of regularities and correlations, with concepts to make recording them easier [Mach, by Harré] |
| 6222 | If a decision is in accord with right reason, everyone can agree with it [Cumberland] |
| 3072 | Everything is changing, including yourself and the whole universe [Aurelius] |
| 6217 | Natural law is supplied to the human mind by reality and human nature [Cumberland] |
| 3066 | Nothing is evil which is according to nature [Aurelius] |
| 6221 | If there are different ultimate goods, there will be conflicting good actions, which is impossible [Cumberland] |
| 3071 | Justice has no virtue opposed to it, but pleasure has temperance opposed to it [Aurelius] |
| 3069 | The art of life is more like the wrestler's than the dancer's [Aurelius] |
| 6218 | The happiness of individuals is linked to the happiness of everyone (which is individuals taken together) [Cumberland] |
| 6220 | The happiness of all contains the happiness of each, and promotes it [Cumberland] |
| 3065 | Humans are naturally made for co-operation [Aurelius] |
| 6216 | Natural law is immutable truth giving moral truths and duties independent of society [Cumberland] |