I also believe the same for me I have the teaching quality so I started to teach. here I can contribute to the well being of our society, I know many of us say " hey I don't have anything to contribute but I know you have. even though if you are helping someone that your contribution. even you just helped some old man just to go to some place you are contributing to the make a wonderful world and even if you just make someone happy, maybe with your jokes of your story you are contributing to our society