生活的目的不是快乐。它是有用的，是光荣的，是富有同情心的，是让你活得有意义，活得好。
The purpose of life is not to be happy. It is to be useful, to be honorable, to be compassionate, to have it make some difference that you have lived and lived well.
The best leaders don't create followers, they create more leaders.
In the state of nature, indeed, all men are born equal, but they cannot continue in this equality. Society makes them lose it, and they recover it only by the protection of the laws.
规模和价值效应在不同的市场和时间段中普遍存在。
已经拥有许多而想拥有更多的人，其失意感耍大于一无所有而只想拥有一点点的人。另外，只缺一样东西的人也会比缺很多东西的人更不满。
"Books are the maps of human experience."
You have to be willing to make mistakes; the big thing is to not make the same mistake over and over again.
To forget is to betray; to remember is to resist.
