The true power of an algorithm is not in its speed or efficiency, but in its ability to reveal the hidden structures of the problems it addresses.

过去总是紧张的，而未来是完美的。

永远不要让成功冲昏头脑，也不要让失败打击心灵。

我们建造了太多的墙，而没有建造足够的桥梁。