Things don’t have to change the world to be important.
你穿过的门原来是什么样子,走过去以后也要保持那个样子。
Patience and tenacity of purpose are worth more than twice their weight of cleverness.  
A journey is a person in itself; no two are alike. And all plans, safeguards, policing, and coercion are fruitless. We find after years of struggle that we do not take a trip; a trip takes us.