4 ideas
9283 | Our ancient beliefs can never be overthrown by subtle arguments [Euripides] |
18189 | ZFC could contain a contradiction, and it can never prove its own consistency [MacLane] |
20945 | Belief is no more rational than is tasting and smelling [Hamann] |
7666 | God is not a mathematician, but a poet [Hamann, by Berlin] |