人必有痴，而后有成。 nán zǐ yāo chán 4 jīn zhēn zhū rù jìng bèi lán ， sī kāi jiāo dài céng céng bāo guǒ ： àn zhí yuē 10 wàn yuán 。

Ravitch considers 'entirely reasonable' the efforts begun in the 60's to eliminate from educational materials statements that ...