Need little help

The following quotes from famous people correspond to Kohlberg's 6 stages of moral reasoning.  There are 2 quotes given for each stage.  Group and label the quotes for each of the six stages and explain your rational:

1. What you do not want others to do to you, do not do to others.  Confucius
2.  It may make a difference to all eternity whether we do right or wrong today. Arthur Clark
3.  Treat all men alike.  Give them all the same laws.  Give them all an even chance to live and grow. Chief Joseph
4. From each according to his abilities, to each according to his needs. Karl Marx
5. Each time a man stands up for an ideal, or acts to improve the lot of others, or strikes out against injustice, he sends forth a tiny ripple of hope.  Robert F. Kennedy
6. We are all dependent on one another, every soul of us on earth. George Bernard Shaw
7. My country right or wrong. Anonymous
8. Life is not so short but that there is always time enough for courtesy. Ralph Waldo Emerson
9. What is moral is what you feel good after. Ernest Hemingway
10. Every disorder of the soul is its own punishment. Saint Augustine
11. The point is to get to heaven by hook or by crook. Diderot
12. Too much of a good thing is wonderful. Mae West

 any idea! I don't know if I'm tired or I am just not getting it. any help will be appreciated.