The universe is not only stranger than we imagine, but stranger than we can imagine.
宇宙不仅比我们想象的更奇怪，而且比我们能够想象的更奇怪。
The beauty of a mathematical idea is that it can be shared and understood across cultures and time.
The test of a first-rate intelligence is the ability to hold two opposed ideas in mind at the same time and still retain the ability to function.