6 ideas
| 291 | Don't assume that wisdom is the automatic consequence of old age [Plato] |
| 4871 | A thing is free if it acts only by the necessity of its own nature [Spinoza] |
| 293 | Being unafraid (perhaps through ignorance) and being brave are two different things [Plato] |
| 7598 | Zoroaster and the Hebrew prophets evolved different versions of monotheism [Zoroaster, by Armstrong,K] |
| 7472 | Zarathustra was the first to present a god who is an abstract concept [Zoroaster] |
| 20672 | Zoroastrianism saw the world as a battle between good evil gods [Zoroaster, by Harari] |