学而不思则罔，

Confucius said, “Reading without thinking gives one a ____, and thinking without reading makes one flighty (or____ ).”

(a)  

 “吾十有五而志于学，三十_____(1)______，四十而_____(2)______，五十而_____(3)______，六十而_____(4)______，七十而______(5)_____，不逾矩。”—《为政》 

(a)  

吾十有五，而志于学。三十而立。

At fifteen, I began to be seriously interested in study. At thirty, I (a)   .

吾十有五，而志于学。三十而立。四十而不惑。

At forty, I (a)   .

吾十有五，而志于学。三十而立。四十而不惑。五十而知天命。

At fifty I (a)   .

吾十有五，而志于学。三十而立。四十而不惑。五十而知天命。六十而耳顺。

At sixty nothing that I heard (a)   .

吾十有五，而志于学。三十而立。四十而不惑。五十而知天命。六十而耳顺。七十而从心所欲，不逾矩。

At seventy, I (a)   without trespassing the moral law.

知之者不如好之者，好之者不如乐之者。

To be fond of something is better than merely to know it, and to (a)   is better than merely to be fond of it.

子曰：“知者乐___，仁者乐___；知者动，仁者静；知者___，仁者___。”

(a)  

He is attentive to his duties and careful in his speech.

以上的中文句子为

(a)  

In teaching there should be no distinction of classes.

以上句子的中文是：

(a)