4 ideas
9141 | Abstraction theories build mathematics out of second-order equivalence principles [Cook/Ebert] |
2685 | The Greek 'philia' covers all good and fruitful relationships [Cooper,JM] |
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] |