4 ideas
13737 | The empiricist says that metaphysics is meaningless, rather than false [Schlick] |
19393 | What is not active is nothing [Leibniz] |
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] |