1、There is no end to learning。学无止境。

2、All work and no play make Jack a dull boy。只会用功不玩耍，聪明孩子也变傻。

3、A man bees learned by asking questions。不耻下问才能有学问。

4、A young idler， an old beggar。少壮不努力，老大徒伤悲。

5、Books and friends should be few but good。读书如交友，应求少而精。