| Link | Quote | Stars | Tags | Author |
| 528f52c | Kepler was, as author Arthur Koestler called him, the "watershed" where the medieval world finally gave way to the modern." | James A. Connor |
| Link | Quote | Stars | Tags | Author |
| 528f52c | Kepler was, as author Arthur Koestler called him, the "watershed" where the medieval world finally gave way to the modern." | James A. Connor |