There are a few reasons why you might not see posts on this friends page:

• PHILOSOPHER JOE might have no friends defined. If you are PHILOSOPHER JOE, you can edit your LiveJournal friends so they show up here.
• PHILOSOPHER JOE might have friends defined, but all of their friend's posts might be over two weeks old (according to the times on our servers), and thus wouldn't be displayed here.
• PHILOSOPHER JOE might have friends defined that post only protected entries that you can't view, because they haven't defined you as a friend in return.