4 ideas
| 12887 | A whole must have one characteristic, an internal relation, and a structure [Rescher/Oppenheim] |
| 22363 | You have only begun to do real science when you can express it in numbers [Kelvin] |
| 20644 | Energy has progressed from a mere formula, to a principle pervading all nature [Kelvin] |
| 13440 | Causation is the power of one property to produce another, and this gives time its direction [Esfeld] |