17 ideas
| 291 | Don't assume that wisdom is the automatic consequence of old age [Plato] |
| 12124 | Metaphysics is the best knowledge, because it is the simplest [Bacon] |
| 12123 | Natural history supports physical knowledge, which supports metaphysical knowledge [Bacon] |
| 12119 | Physics studies transitory matter; metaphysics what is abstracted and necessary [Bacon] |
| 12120 | Physics is of material and efficient causes, metaphysics of formal and final causes [Bacon] |
| 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] |
| 12121 | We don't assume there is no land, because we can only see sea [Bacon] |
| 12117 | Science moves up and down between inventions of causes, and experiments [Bacon] |
| 12127 | Many different theories will fit the observed facts [Bacon] |
| 12126 | People love (unfortunately) extreme generality, rather than particular knowledge [Bacon] |
| 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] |
| 12125 | Teleological accounts are fine in metaphysics, but they stop us from searching for the causes [Bacon] |
| 12118 | Essences are part of first philosophy, but as part of nature, not part of logic [Bacon] |
| 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] |