To produce a mighty book, you must choose a mighty theme. No great and enduring volume can ever be written on the flea, though many there be that have tried it.
Truth is the silliest thing under the sun. Try to get a living by the Truth and go to the Soup Societies. Heavens! Let any clergyman try to preach the Truth from its very stronghold, the pulpit, and they would ride him out of his church on his own pulpit bannister.