3 ideas
18946 | Unreflectively, we all assume there are nonexistents, and we can refer to them [Reimer] |
10190 | From the axiomatic point of view, mathematics is a storehouse of abstract structures [Bourbaki] |
3061 | Anaxarchus said that he was not even sure that he knew nothing [Anaxarchus, by Diog. Laertius] |