永远不要停止提问，因为答案就从那里开始。
保持谦逊，保持渴望。
The only real failure is the failure to try.
The most important step in emancipating oneself from social controls is the ability to find rewards in the events of each moment.
数学的进步归功于那些不是被应用的欲望驱动，而是被发现的喜悦驱动的人。
记忆不是忠实的记录；它是对过去的主动重建。
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.