在数学中，你不理解事物。你只是习惯它们。
【释义】多次迁徙而没有固定的居所，但只要心如长者，就不会有忧患。
我不害怕坠入爱河，我害怕再次爱上错误的人。
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.
格瓦拉写在古巴革命胜利后