The think which is unknown

Well no one is perfect,so we have to be happy in our life which our lord give us.Dont think I am useless or something else.....we have came in this world there is some good things we have to bo before we die. When something you left then people know who made this who left this who invented this.however the world is not like this there are many many human around us all have their own version they have their own ideas.