习惯的强度是其被强化次数的函数。
The strength of a habit is a function of the number of times it has been reinforced.
永远不要停止学习。当你认为自己无所不知的那一刻，就是你停止成长的那一刻。
I believe in the power of literature to change the way we see the world.
Democracy is the worst form of government except all those other forms that have been tried from time to time.
我不在乎钱，我只想快乐。