They are not monuments, but footprints. A monument only says, 'At least I got this far,' while a footprint says, 'This is where I was when I moved again.'

Great leaders don't create followers; they create more leaders.

宇宙包含过去，现在与未来。

The anarchic nature of the international system forces states to compete for power.

语言中最具破坏性的一句话是：“我们一直都是这样做的。”