种一棵树最好的时间是20年前，第二好的时间是现在。

One must not always think that feeling is everything. Art is nothing without form.

The most exciting phrase to hear in science, the one that heralds new discoveries, is not 'Eureka!' but 'That's funny...'

每当新的一天开始，恐惧都有机会茁壮成长，信念也一样有机会开花结果。你们将面临屈服于恐惧或建立信念的抉择。