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.

音乐让我快乐，也让我悲伤。

每个圣人都有过去，每个罪人都有未来。

Every detail matters, because every detail is part of the whole.

解析：知道自己还有所不知，这是很高明的。不知道却自以为知道，这就是很糟糕的。

权力从来都不是无辜的。