記憶對(duì)于不重復(fù)過去的錯(cuò)誤至關(guān)重要。
健康的國(guó)民是一個(gè)國(guó)家能擁有的最大財(cái)富。
The most important thing in science is not so much to obtain new facts as to discover new ways of thinking about them.
——〈上李鴻章書〉,1894年1月