1、 mendeleyev,russian chemist

2、 英国作家卡罗琳，s.

3、 r. h. stoddard,american poet

4、 norma rosen,american novelist

5、 la rocheforcauld,french writer

6、 j. burroughs. averican naturalist

7、 w. m . thackeray. british novelist

8、 samuel johnson,british writer and critic

9、 you never know what you can do till you try.

10、 where there is no hope,there can be no endeavor.

11、 你不能依靠你声称要做的事来建立声誉

12、 thomas edison,american inventor 有志者，事竟成