礼尚往来。往而不来，非礼也；来而不往，亦非礼也。
【释义】：礼节重在相互回应。送出礼遇而对方不回应，这是不合礼数的；接受了别人的礼遇却不回报，同样也是不符合礼的要求。
Collaboration across nations is key to solving the challenges of overfishing.
The only way to escape the miseries of love is to love more.
在真实与不真实之间，在真实与虚假之间，没有严格的区别。
永远不要停止学习；一旦停止，你就会过时。
Design is not just what it looks like and feels like. Design is how it works.