5 ideas
6410 | The only real proper names are 'this' and 'that'; the rest are really definite descriptions. [Russell, by Grayling] |
16740 | A power is not a cause, but an aptitude for a cause [Zabarella] |
13304 | Learned men gain more in one day than others do in a lifetime [Posidonius] |
16571 | Prime matter is exceptionally obscure [Zabarella] |
20820 | Time is an interval of motion, or the measure of speed [Posidonius, by Stobaeus] |