旅程本身就是一个人；没有两个是相同的。所有的计划、保障、监管和强制都是徒劳的。经过多年的挣扎，我们发现我们并没有去旅行；而是旅行带走了我们。
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.
The laws of physics are universal, but our understanding of them is constantly evolving.
Technology should solve real problems, not just create new toys.
I am happy and proud of what I have done， but not completely satisfied.
If I have seen further, it is by standing on the shoulders of giants.