Imitation is the safest form of innovation.
讀古人的著作，與賢能的人交往，最忌諱輕率地表示附和贊同，也不能夠輕率地表示異議。之所以會犯這兩種過失，都是由于心中缺乏主見，做學(xué)問時就摻雜有趨炎附勢的成分，不是曲意逢迎便是虛偽矯飾。
Science is not about being right; it's about being less wrong over time.
If you loan someone $20 and you never see them again. That makes it worth $20.?
To love is to find meaning in another's existence.
【講解】：有志之士和仁人，不會貪生怕死而損害仁，只會勇于犧牲來成全仁。