大脑在我们二十多岁时仍在形成，这意味着它更容易接受变化。

The science of government it is my duty to study, more than all other sciences; the arts of legislation and administration and negotiation ought to take the place of, indeed to exclude, in a manner, all other arts.

当现有约束被改变，允许企业家从事新的生产活动形式时，经济增长就会发生。

世界上最大的空间是改进的空间。