Life is valueless without your presence

Life is valueless without your presence:
Everyone have to need maintain some rules, which help to others. If anyone at lest do a work for a person that means whole world will do at least approximately 5 billion works. This is true everyman have some different thinking, they think there way but if we have a leader who can change the whole world.One person in the whole world from the beginning of the world and last day of the world never come again..Indeed world people not happy, they are just trying to be happy. But you will be happy when someone will be happy for your work.