3 ideas
10245 | One geometry cannot be more true than another [Poincaré] |
Full Idea: One geometry cannot be more true than another; it can only be more convenient. | |
From: Henri Poincaré (Science and Method [1908], p.65), quoted by Stewart Shapiro - Philosophy of Mathematics | |
A reaction: This is the culminating view after new geometries were developed by tinkering with Euclid's parallels postulate. |
16718 | Primary qualities are the cause of all the other sensible qualities [Albertus Magnus] |
Full Idea: The primary qualities of tangible things are the cause of all the other sensible qualities. | |
From: Albertus Magnus (On 'Generation and Corruption' [1261], II.1.1), quoted by Robert Pasnau - Metaphysical Themes 1274-1671 21.2 | |
A reaction: This makes the primary qualities sound suspiciously like the essence. |
7489 | Joshua said, Sun, stand thou still [Anon (Josh)] |
Full Idea: Then Joshua spake to the Lord, and he said in the sight of Israel, Sun, stand thou still upon Gibeon; and the Sun stood still. | |
From: Anon (Josh) (06: Book of Joshua [c.540 BCE], 10.12) | |
A reaction: This verse became highly significant during the controversies from Copernicus to Galileo about the heliocentric universe. |