种树的最佳时间是20年前。第二好的时间就是现在。

I’m positive that in 100 years much of what I take to be true today will be proved to be wrong， maybe even embarrassingly wrong， and I try really hard to identify what it is that I am wrong about today.

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.

在亚洲的中心，大自然创造了一个属于自己的世界，未经人类染指。