Good behavior is very important in moden society,it enable you be more respectful and make more friends,and benefit you at many aspects.
To achieve the goal,we should follow some principles:
1.Be creditable,punctual,honest and don't speak dirty words.
2.Be polite and warm towards others.
3.Obey traffic rules,don't yell in public places,don't litter everywhere.
I believe everyone could behave well as long as they follow those principles mentioned above.And I promise to do my best to become a well-behaved people.