智者云：“话说出口之前，请三省自问。第一层自问，“信息是否为真？”，第二层自问：“有必要说么？”第三层自问：“是出于善意的么？”
If economists could manage to get themselves thought of as humble， competent people on a level with dentists， that would be splendid.
数学家是将咖啡转化为定理的装置。
人一定要懂得“礼”之后才能产生恭敬之心，产生恭敬之心以后才能有所尊敬，有所礼让。