4 ideas
15710 | Bohr explained the periodic table and chemical properties of elements, using the quantum atom [Kumar] |
5845 | Niceratus learnt the whole of Homer by heart, as a guide to goodness [Xenophon] |
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] |