你孩子吃不上饭是因为我。

Mathematics is not just about numbers, equations, computations, or algorithms: it is about understanding.

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。

"In the silence of the night, words find their way to the soul."

History is, above all else, the creation and recording of that heritage; progress is its increasing abundance, preservation, transmission, and use.

快乐不在于占有这个人。快乐在于此。房间里有了另一个竞争者。