The principal effect of the progress of society is to increase the quantity of wealth, and the power of distributing it.

人心比万物都诡诈，坏到极处，谁能识透呢？

请你允许我告诉你，我是多么热烈地敬慕你和爱你。

我认为我们都有一些对失败的恐惧，而这正是驱使我们成功的原因。