Live with purpose- live longer

Purose in life makes life meaningful and useful to society. This also leads to longer life. See:

http://timesofindia.indiatimes.com/life-style/health-fitness/health/Sense-of-purpose-adds-years-to-your-life/articleshow/35062955.cms

I agree. A life without purpose lacks direction and loses its way like a rudderless boat. Living for a purpose will make you a person with positive attitude. This in turn reduces the stress levels. One who is free from stress will lead a happy life that paves way to long life.