我无法一直在你身边。
You know, I'm not always going to be around to help you...
The interplay between theory and observation is what advances astrophysics.
过去从未死去。它甚至不是过去。
热爱传统从不会使一个国家变弱,甚至在生死存亡的关键时刻,他会使国家更强大。
Be slow to fall into friendship,but when you are in,continue firm and constant.