死者离我们并不远。他们在我们的心中和思想中,最终,他们是我们所拥有的一切。
我对自己是谁、做什么非常有信心。
The highest possible stage in moral culture is when we recognize that we ought to control our thoughts.
"The scientist is not a person who gives the right answers, he's one who asks the right questions."