atheism leads to no purpose in living

[Mind Over Matter]

I recently realized that if I was an atheist I would have no purpose in living because what would be the point? At least if you believe in heaven you can believe that you will be able to see the changes you have made in your lifetime. If you do not believe in heaven then what is the point in doing anything in your lifetime (or living for that matter) if you believe that you will not even be able to view the results of your work over time?

Edit: I realize I made a typo in the title of this thread.

You are describing a nihilistic world view which maintains that man and his life have no ultimate meaning. This philosophy was especially popular in Europe during the aftermath of the Great Depression.