4 ideas
23367 | Even pointing a finger should only be done for a reason [Epictetus] |
18189 | ZFC could contain a contradiction, and it can never prove its own consistency [MacLane] |
20752 | For man, being is not what he is, but what he is going to be [Ortega y Gassett] |
20756 | Instead of having a nature, man only has a history [Ortega y Gassett] |