5 ideas
13157 | Choose the true hypothesis, which is the most intelligible one [Leibniz] |
13158 | The Copernican theory is right because it is the only one offering a good explanation [Leibniz] |
20486 | Only liberty, equality and sympathy can stand up to anti-social people [Kropotkin] |
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] |