4 ideas
21757 | Philosophy is the conceptual essence of the shape of history [Hegel] |
9141 | Abstraction theories build mathematics out of second-order equivalence principles [Cook/Ebert] |
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] |