5 ideas
22363 | You have only begun to do real science when you can express it in numbers [Kelvin] |
6004 | The cardinal virtues are theoretical (based on knowledge), and others are 'non-theoretical' [Hecato, by Dorandi] |
13304 | Learned men gain more in one day than others do in a lifetime [Posidonius] |
20644 | Energy has progressed from a mere formula, to a principle pervading all nature [Kelvin] |
20820 | Time is an interval of motion, or the measure of speed [Posidonius, by Stobaeus] |