诗人必须像一棵树，扎根于故土，从中汲取养分才能结出果实。
When I look at the world I'm pessimistic, but when I look at people I am optimistic.
过去是一个陌生的国度；那里的人做事方式不同。
He who would search for pearls must dive below.
I believe that the testing of the student's achievements in order to see if he meets some criterion held by the teacher, is directly contrary to the implications of therapy for significant learning.