4 ideas
18189 | ZFC could contain a contradiction, and it can never prove its own consistency [MacLane] |
3102 | Why don't we experience or remember going to sleep at night? [Magee] |
1757 | The Electra: she knows this man, but not that he is her brother [Eucleides, by Diog. Laertius] |
3028 | The chief good is unity, sometimes seen as prudence, or God, or intellect [Eucleides] |