Mental processes evolved to solve practical problems.
团队的力量在于其成员的多样性。
理解经济波动的关键在于理解人们如何形成预期。
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.
The best architecture is functional.