What kind of impact will your existence have on the history of mankind?
Will you bring anything new or better to this planet in your lifetime?
Will you make a difference in your own community? If so, what kind of difference?
Are you in peace with an existence that will only be remembered by the people you know?
If you do want to leave your mark, what will you do? Will you write a book that will influence millions of people? Will you invent something that will benefit improve the lives of many? Will you raise your children to be kind, decent people, so they in turn can create more decency?