" We will say, then, that I am mad. I grant, at least, that there are two distinct conditions of my mental existence-the condition of a lucid reason, not to be disputed, and belonging to the memory of events forming the first epoch of my life-and a condition of shadow and doubt, appertaining to the present, and to the recollection of what constitutes the second great era of my being. Therefore, what I shall tell of the earlier period, believe; and to what I may relate of the later time, give only such credit as may seem due, or doubt it altogether, or, if doubt it ye cannot, then play unto its riddle the Oedipus. "

― Edgar Allan Poe , The Complete Stories and Poems