有一个你无法解决的问题总是好的。这意味着你有事情要做。
It is always good to have a problem that you cannot solve. It means you have something to work on.
The task of the teacher is to lead the student from the known to the unknown.
The work of art is a whisper of the absolute.
一句话，先是太胆小，明知错的事却不敢不做；后来也还是太胆小，明知对的事却不敢去做。
身体记得心灵遗忘的东西。