I have just begun working through Natural Language Processing with Python. One of the first features highlighted in the first chapter is the ability of nltk (the Natural Language ToolKit - a Python module) is to generate random text from a corpus.
Without further ado, here is what my system generated based on the book of Genesis in the KJV:
In the selfsame day , neither do thou any thing that creepeth upon the bank of the east wind , sprung up after th And I will send thee a covering of the Philistines unto Gerar . And he commanded the steward of my master greatly ; and she bare unto Jacob , went forth to go down and buy thee fo But if thou be in the second , and fall upon Adam , in the land is good : and his two womenservants , and begat sons and his eleven sons , and put every man ' s
Sound realistic? ;-)