Magic words in our life.

Thank you very much, Please, Good Morning, You're welcome, Sorry, Good Afternoon, Bye, Excuse me, Good Evening, Hi, Bless you, Bon Appetit, Nice to meet you, Many Thanks, Hello.

P.S. Be polite!

Source of image:

http://www.istockphoto.com/photo/book-55891716?st=311af43