年轻人是可怕的，因为怎么能知道他的将来不如我们现在呢？但如果一个人到了四十、五十岁还默默无闻，他也就没有什么可怕的了。

The true value of a human being is determined primarily by the measure and the sense in which he has attained liberation from the self.

时间是一条既向前流又向后流的河流。