The rule of recognition is the ultimate rule in a legal system, which identifies the criteria for valid law.
我不是一个喜欢坐着等待事情发生的人。我让事情发生。
Today is cruel, tomorrow is crueler, and the day after tomorrow is beautiful, but most people will die tomorrow night and won't see the sun of the day after tomorrow.
“追求科学不仅是一种职业,而且是一种生活方式。”