as i publish the case , in this volume , simply to interest the `` laity , '' i shall forestall the intelligent lady , who relates it , in nothing ; and after due consideration , i have determined , therefore , to abstain from presenting any prcis of the learned doctor 's reasoning , or extract from his statement on a subject which he describes as `` involving , not improbably , some of the profoundest arcana of our dual existence , and its intermediates . ''