The historian’s first duty is to the truth.
歷史學家的首要職責是忠于真相。
There is a close connection between the human soul and the natural world; our emotions are intertwined with the external universe.
沒有絕對的安全，只有相對的風險控制。
遇事要再三考慮，慎重行事，第一重要的是不要自欺欺人。