When children haven't developed the ability of control, "let children do whatever they want" is contrary to the concept of freedom.
当儿童还没有发展起控制能力的时候，“让儿童想干什么就干什么”是与自由观念相违背的。
History is that certainty produced at the point where the imperfections of memory meet the inadequacies of documentation.
数学的美在于它让我们看到世界上不立即显现的模式和结构。
因此，得到了士的辅佐，君主谋划国事就不困难，身体就不劳累，功成名就，美善彰显二丑恶杜绝，这是得到了贤士的缘故啊！
The smallest details often carry the most meaning.
The hardest challenges often lead to the greatest breakthroughs.
Every mental state is a function of some physical state of the brain.
我们看事物的方式受到我们所知或所信的影响。
In mathematics, the art of proposing a question must be held of higher value than solving it.