当我们爱的时候,我们总是努力变得比现在更好。
When we love, we always strive to become better than we are. 
宇宙充满了奥秘,这正是让科学家保持动力的原因。
The world is full of obvious things which nobody by any chance ever observes.
If you just set out to be liked, you would be prepared to compromise on anything at any time, and you would achieve nothing.