领导力在于你的存在能让别人变得更好，并确保这种影响在你离开后依然持续。

The more determinedly I exist, as myself, within the conditions of the time, the more clearly I shall hear the language of the past, the nearer I shall feel the breath of the centuries.

The anarchic nature of the international system compels states to prioritize their own survival above all else.

"Jeder hat seine eigene Geschichte, aber nicht jeder kann sie erzählen."

The selfish gene theory is not a theory about selfishness in the everyday sense. It is a theory about the evolution of behavior.