交浅而言深者，愚也；在贱而望贵者，惑也；未信而纳忠者，谤也。
释义：跟交情浅的朋友说过深的话题，是愚蠢的；生活贫困的人总是希望得到富贵者的施舍，是糊涂的；没有取得他人的信任就进献忠言，会被误解为批评。
数学是给不同事物起相同名称的艺术。
I think it should be called a lie because a pig is not like a day and people do not have skeletons in their cupboards.
Sustainable fishing isn't an option—it's the only way forward if we want to preserve marine ecosystems.
保持简单，愚蠢。
世界所有的前进动力都归功于不安分的人；幸福的人不可避免地把自己限制在古老的界限内。