The moment of betrayal is the worst, the moment when you know beyond any doubt that you've been betrayed: that moment when you're glad to die.

The ground floor is where the city and the building meet - it's the most important level.

教育是我们所有能力的和谐发展。

科学的历史是其对象生产的历史。

过去总是与我们同在，因为它滋养着现在。

人生中最大的错误就是不断担心自己会犯错。