Only a life lived for others is a life worthwhile.

世界是一个没有结局的故事。

The only thing that stands between a man and what he wants from life is often merely the will to try it and the faith to believe that it is possible.

我们之所以能够感知事物的变化，是因为单子在无限的变化中保持了稳定的内在本质。