20 ideas
| 1922 | Spiritual qualities only become advantageous with the growth of wisdom [Plato] |
| 9271 | Human knowledge may not produce well-being; the examined life may not be worth living [Gray] |
| 11259 | How can you seek knowledge of something if you don't know it? [Plato] |
| 20219 | True opinions only become really valuable when they are tied down by reasons [Plato] |
| 5985 | Seeking and learning are just recollection [Plato] |
| 5986 | The slave boy learns geometry from questioning, not teaching, so it is recollection [Plato] |
| 1923 | As a guide to action, true opinion is as good as knowledge [Plato] |
| 9275 | Knowledge does not need minds or nervous systems; it is found in all living things [Gray] |
| 1919 | You don't need to learn what you know, and how do you seek for what you don't know? [Plato] |
| 9276 | The will hardly ever does anything; most of our life just happens to us [Gray] |
| 9567 | Maths deals with quantities of physical significance, ignoring irrelevant features [Geroch] |
| 1913 | Is virtue taught, or achieved by practice, or a natural aptitude, or what? [Plato] |
| 1921 | If virtue is a type of knowledge then it ought to be taught [Plato] |
| 1927 | It seems that virtue is neither natural nor taught, but is a divine gift [Plato] |
| 1918 | How can you know part of virtue without knowing the whole? [Plato] |
| 1916 | Even if virtues are many and various, they must have something in common to make them virtues [Plato] |
| 9278 | Nowadays we identify the free life with the good life [Gray] |
| 9280 | Over forty percent of the Earth's living tissue is human [Gray] |
| 9272 | Without Christianity we lose the idea that human history has a meaning [Gray] |
| 9279 | What was our original sin, and how could Christ's suffering redeem it? [Gray] |