"Heaven grant that the reader, at this moment as brave and ferocious as the words now being read, may, without being disoriented, find a savagely dangerous path that leads through the desolate swamps of these sullen, poison-soaked pages. For unless a rigorous logic and a concentration of the mind equal to defiance is brought to this reading, the deadly emanations of this book will dissolve the soul as water does sugar. It is not right that everyone read the pages that follow; very few will be able to taste this bitter fruit without danger. Consequently, timid soul, before penetrating any further into such uncharted regions, stop, turn around, go no further. Listen to what I say: stop, turn around, go no further . . . "
He says this stuff at the beginning about making sure you're ready to read his book. I reckon he's probably serious, and I haven't really felt up to it before. In any case, it keeps falling off my shelf.