For me, the most exciting thing is to see the impact of the work that we do.
No man, for any considerable period, can wear one face to himself and another to the multitude, without finally getting bewildered as to which may be the true.
生下来就知道的人是上等,经过学习才知道的人是次一等,遇到困惑才学习的人是又次一等,有了困惑而不学习的,这是最下等的人。
To be at home everywhere is to be at home nowhere.