Prediction is very difficult, especially about the future.

The natural effort of every individual to better his own condition， when suffered to exert itself with freedom and security， is so powerful a principle that it is alone， and without any assistance， not only capable of carrying on the society to wealth and prosperity but of surmounting a hundred impertinent obstructions with which the folly of human laws too often encumbers its operations.

最好的建筑是那些在使用中消失的建筑。

过去是一个陌生的国度；那里的人做事方式不同。

土地才是真正的客户，而不是支付费用的人。

The interplay between randomness and structure is a central theme in both mathematics and computer science.