Confessions of an English Opium-Eater

 I here present you, courteous reader, with the record of a remarkable period in my life: according to my application of it, I trust that it will prove not merely an interesting record, but in a considerable degree useful and instructive.  In that hope it is that I have drawn it up; and that must be my apology for breaking through that delicate and honourable reserve which, for the most part, restrains us from the public exposure of our own errors and infirmities.