4 ideas
13007 | Archimedes defined a straight line as the shortest distance between two points [Archimedes, by Leibniz] |
16597 | Quantity is the capacity to be divided [Digby] |
1556 | By nature people are close to one another, but culture drives them apart [Hippias] |
16731 | Colours arise from the rarity, density and mixture of matter [Digby] |