教师是太阳，学生是月亮。教师发光，学生反射。

"To write is to breathe, to live, to exist in the fullest sense."

When you hold a piece of aggregate, you're holding millions of years of earth's history.

When you get an invitation to do something in the future， ask yourself: would you accept this if it was scheduled for tomorrow？ Not too many promises will pass that immediacy filter.