Turning it over, she saw written on the back: " Course in Philosophy. Handle with care."

她把它翻过来要拆信时，看到信封背面写着：“哲学课程。请小心轻放。”

If you take the focus of your consciousness deeply into the inner body, you are tracing the course of this river back to its Source.

如果你将意识的焦点深入内在身体，你就是在追溯这条河流的源头。