4 ideas
13190 | I don't admit infinite numbers, and consider infinitesimals to be useful fictions [Leibniz] |
18203 | Avoid non-predicative classifications and definitions [Poincaré] |
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] |