6 ideas
20752 | For man, being is not what he is, but what he is going to be [Ortega y Gassett] |
22137 | Observation can force rejection of some part of the initial set of claims [Duhem, by Boulter] |
18197 | Experiments only test groups of hypotheses, and can't show which one is wrong [Duhem] |
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] |
20820 | Time is an interval of motion, or the measure of speed [Posidonius, by Stobaeus] |