The Life and Opinions of Tristram Shandy, Gentleman

It is with love as with cuckoldom -- -- -

But now I am talking of beginning a book, and have long had a thing upon my mind to be imparted to the reader, which, if not imparted now, can never be imparted to him as long as I live (whereas the comparison may be imparted to him any hour in the day) -- -- -I'll just mention it, and begin in good earnest.