De Quincy's opening apology for his confessions of an Opium Eater

  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. 

 Nothing, indeed, is more
revolting to English feelings than the spectacle of a human being
obtruding on our notice his moral ulcers or scars, and tearing away that
"decent drapery" which time or indulgence to human frailty may have drawn
over them; accordingly, the greater part of _our_ confessions are ....