6 ideas
7276 | All art is quite useless [Wilde] |
7274 | Books are only well or badly written, not moral or immoral [Wilde] |
7275 | Having ethical sympathies is a bad mannerism of style in an artist [Wilde] |
468 | Musical performance can reveal a range of virtues [Damon of Ath.] |
20646 | Helmholtz used 'energy' to mathematically link heat, light, electricity and magnetism [Helmholtz, by Watson] |
20973 | All forces conserve the sum of kinetic and potential energy [Helmholtz, by Papineau] |