我不是为评论家做音乐，而是为需要它的人。
I don’t make music for the critics. I make it for the people who need it.
一门科学的历史就是它的问题域的历史。
The circumstances of the world are continually changing, and the opinions of man change also; and as government is for the living, and not for the dead, it is the living only that has any right in it.
Psychology must be based on observable phenomena, not abstractions.