有一天我读了一本书，然后我的整个人生都改变了。
I read a book one day and my whole life was changed.
No man, for any considerable period, can wear one face to himself and another to the multitude, without finally getting bewildered as to which may be the true.
I don't think that everyone should become a mathematician, but I do believe that many students don't give mathematics a real chance.
The very essence of the creative is its novelty, and hence we have no standard by which to judge it.