4 ideas
15143 | Kind essences are the categorical bases of a thing's causal powers [Bhaskar, by Chakravartty] |
22363 | You have only begun to do real science when you can express it in numbers [Kelvin] |
468 | Musical performance can reveal a range of virtues [Damon of Ath.] |
20644 | Energy has progressed from a mere formula, to a principle pervading all nature [Kelvin] |