True understanding comes from seeing connections between seemingly unrelated ideas.
真正的理解来自于发现看似无关概念之间的联系。
The real adventure is not outside, but within.
控制的挑战在于在存在不确定性的情况下使系统工作。
中心地的等级越高,其服务的区域越大,此类中心地的数量越少。
"The hardest part about being immortal is watching everyone you love die."