The only purpose for which power can be rightfully exercised over any member of a civilized community， against his will， is to prevent harm to others.
活着就是受苦，生存就是在苦难中找到某种意义。
每一滴牛奶都讲述着一个奉献的故事——从农民到消费者。
每一个明天都有两个把手。我们可以用焦虑的把手抓住它，也可以用信念的把手抓住它。
Persistence in research is key; nature reveals its secrets only to those who are patient.