The greatest sweetener of human life is Friendship. To raise this to the highest pitch of enjoyment, is a secret which but few discover.

真理的概念在任何足够强大以包含算术的形式系统中都是不可定义的。

人性不是无限可塑的；它带有一种内在结构，引导发展朝向特定方向。

The biggest risk in investing is not market risk, but the risk of not being able to meet your financial goals.

我们生产的每一块塑料都应该有完整的生命周期规划。