现实不仅比我们假设的更奇怪，而且比我们能假设的更奇怪。
Reality is not only stranger than we suppose, but stranger than we can suppose.
控制理论是基于过去的信息来影响未来。
在冬天的深处，我发现我内心有一个不可战胜的夏天。
The dead have much to teach the living.
The key to performance is to keep the hot data in memory.