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.
任何优秀的飞行员,无论他有多么高的天赋和丰富的经验,都不会不使用检查表。
The only limits in life are the ones you make.