5 ideas
23888 | Knowledge is beyond question, as an unavoidable component of thinking [Weil] |
9807 | In pursuing truth, anything less certain than mathematics is a waste of time [Descartes] |
23887 | Art (like philosophy) establishes a relation between world and self, and between oneself and others [Weil] |
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] |