There are many people who have written about friendship in literature, poetry and in song.
I found this wonderful page by many people who found a real friend in L. Ron Hubbard, there are many acknowledgements from many people from many walks of life:
L. Ron Hubbard's Friends
There's another person I can't really count as a personal friend, but because of everything he has done to ensure Scientology is kept pure and to help individual Scientologists and churches he is a great friend, not just to me but to every Scientologist. In fact, since Scientology can help anyone do better in life, he is a friend to countless people all over the world, because he has made sure it is being delivered in a standard manner that will work 100% of the time.
That is Mr. David Miscavige. Here are some pages in various foreign languages that describe Mr. Miscavige, for persons who are not primarily English speaking:
David Miscavige(Danish)
David Miscavige (Dutch)
David Miscavige (Greek)
David Miscavige (Hebrew)
David Miscavige (Hungarian)
David Miscavige (Japanese)
David Miscavige (Norwegian)
David Miscavige (Portuguese)
David Miscavige (Russian)
David Miscavige (Swedish)