好的研究就像好的故事——有开头、中间和结尾，逻辑连贯。

The great powers are always searching for opportunities to gain power at the expense of their rivals, and they will use force if they believe it will bring them strategic advantage.

Time is a slippery thing: lose hold of it once, and its string might sail out of your hands forever.

最终，我们都只是在试图找到我们在世界上的位置，理解我们周围的混乱。