世间充满神奇之物，它们正耐心等待我们的心智变得愈加敏锐。

在心理学领域，正常与异常之间的界限往往是模糊和主观的。

I think that it's important to have a sense of humor in life. It helps you get through the tough times.

It is human nature to think wisely and act foolishly.

最成功的现代国家是那些能够利用市场力量，同时保持一个能够提供公共产品和规范私人活动的强大国家的国家。