1. Marry the right person. This one decision will determine 90% of your happiness or misery

2. Work at something you enjoy and that's worthy of your time and your talent.

3. Give people more that they expect and do it cheerfully

4. Become the most positive and enthusiastic person you know.

5. Be forgiving of yourself and others.

6. Be generous.

7. Have a grateful heart.
-Contentment with godliness is a great gain. 1 tim 6:6

8. Persistence, persistence, persistence
~Excellent suggestion. Don't give up on something you believe in. It might take a long time to see it come to pass but hang on.

9. Discipline yourself to save money even on the most modest salary

10. Treat everyone you meet the way you want to be treated.

11. Commit yourself to constant improvement.

12. Commit yourself to quality

13. Understand that happiness is not based on possessions, power or prestige but on relationships with people you love and respect.

~When you on the bleak of death, it's people by your side.

14. Be loyal.

15. Be honest.

16. Be a self-starter

17. Be decisive even if it means you will sometimes be wrong.

18. Stop blaming others. Take responsbility of the every area of your life.

19. Be bold and courageous. When you look back on your life, you will regret the things you didn't do more than the things you did.

20. Take good care of those you love.
~Yes. How important

21. Don't do anything that wouldn't make your mum proud.

~I saw this in Thailand, Bangkok Airport =) I thought they are very good suggestions!