生与死的界限至多是模糊不清的。谁能说一个在哪里结束，另一个在哪里开始？
The boundaries which divide Life from Death are at best shadowy and vague. Who shall say where the one ends, and where the other begins?
中心地的等级越高，其数量越少，影响范围越大。
Collaboration often leads to breakthroughs that individual effort cannot achieve.
The night is a great teacher, but the stars are its lessons.
The most valuable resource we have isn't in the ground - it's the people who show up every day to do the work.