The ground for taking ignorance to be restrictive of freedom is that it causes people to make choices they would not have made had they seen what their choices involved.

The only way to discover the limits of the possible is to go beyond them into the impossible.

移民可以对创新和生产力产生积极影响。

政府下的人的自由是拥有一个普遍适用的常规生活准则，而不受另一个人的多变、不确定和武断意愿的支配。

成功的衡量标准不仅仅是产量，还有改善的生活。