Check out the Dokkodo. It's a collection of 21 precepts left behind by the samurai Miyamoto Musashi on the topic of a solitary existence. If it strikes a chord, you should check out his other book The Book of Five Rings.
If you like parables, go read Thus Spoke Zarathustra. I think we are going to see the beginnings of the creation of the Ubermensch if we are lucky and are able to survive the inevitable collective crash out of women on the near future.