打量別人的弱點很容易。打量自己的弱點很難，但卻會給你更高的回報。
Contemplating the weaknesses of others is easy； contemplating the weaknesses in yourself is hard， but it pays a much higher reward.
我有一個非常簡單的想法，如何變富。第一，花得比賺得少；第二，明智地投資差額。
安全困境是國際政治的一個基本特征，因為國家增加自身安全的努力往往會降低其他國家的安全。
In peace, sons bury their fathers. In war, fathers bury their sons.
In the end, what matters is not the answers we find, but the questions we dare to ask.
I'm not perfect, but I'm always me.
"We are all our own graveyards I believe; we squat amongst the tombs of the people we were."
社交產(chǎn)品的核心是連接人與人，而不是簡單地傳遞信息。