生活对我们任何人来说都不容易。但那又怎样？我们必须有毅力，最重要的是对自己有信心。我们必须相信我们在某方面是有天赋的，而且这个目标必须实现。
Life is not easy for any of us. But what of that? We must have perseverance and above all confidence in ourselves. We must believe that we are gifted for something and that this thing must be attained.
道德情操论是政治经济学理论的基础。
The future belongs to those who learn more skills and combine them in creative ways.
归纳行为是一个用来描述在不确定性下做出决策的过程的术语，其后果取决于未知的自然状态。