好问题胜过简单的答案。

The greatest danger is not that we will lose our way, but that we will become content with where we are.

人生就像一场逆行的旅程，我也是一个匆匆的过客。

All men have the stars， but they are not the same things for different people。 For some， who are travelers， the stars are guides。 For others they are no more than little lights in the sky。 For others， who are scholars， they are problems。 For my businessman they were wealth。 But all these stars are silent。 You – you alone – will have the stars as no one else has them.

In times of change, the learners inherit the earth, while the learned find themselves beautifully equipped to deal with a world that no longer exists.