4 ideas
17619 | We renounce all abstract entities [Goodman/Quine] |
8113 | Art is like understanding a natural language, and needs a grasp of a symbol system [Goodman, by Gardner] |
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] |