Quality is never an accident; it is always the result of intelligent effort.
I'm not gonna be one of those people who has to look back and say, 'I should have done that.'
I think the most important thing in life is to dare to dream.
能源转型不是是否会发生的问题,而是如何以及何时发生的问题。
不义的人不能让他富裕,不义的人不能让他显贵,不义的人不能给他信任,不义的人不使他接近。
我不是老师,我是学生。
The art of the past is being mystified because a privileged minority is striving to invent a history which can retrospectively justify the role of the ruling class.
检验统计假设的问题由来已久,其起源已不可考。