6 ideas
20752 | For man, being is not what he is, but what he is going to be [Ortega y Gassett] |
22363 | You have only begun to do real science when you can express it in numbers [Kelvin] |
20756 | Instead of having a nature, man only has a history [Ortega y Gassett] |
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] |