Time travel is the most frustrating thing in the world. You can't change anything, and you can't stop anything from happening.
我不是那种会让对我职业道德的爱减少的人。
The landscape of string theory is vast and complex, with perhaps 10^500 different possible universes.
我不知道如果我的生活中没有音乐，我会做什么。
If you are under the impression you have already perfected yourself， you will never rise to the heights you are no doubt capable of.