▁difficult ▁it ▁is ▁to ▁find ▁truth ▁simply ▁through ▁sens ory ▁evidence . ▁What ▁Brown ▁is ▁concerned ▁with ▁is ▁how ▁the ▁mind ▁can ▁be ▁cor rupted ▁by ▁un account able ▁and ▁dark ▁imp uls es . ▁ ▁Vent ril o qu ism ▁Vent ril o qu ism ▁exists ▁as ▁a ▁plot ▁device ▁in ▁Wiel and , ▁though ▁it ▁goes ▁beyond ▁this ▁simpl istic ▁use ; ▁Clara ▁Wiel and ▁can ▁be ▁thought ▁of ▁as ▁Brown ' s ▁vent ril o qu istic ▁voice . ▁Brown , ▁like ▁Car win , ▁speak s ▁using ▁Clara ' s ▁voice . ▁It ▁has ▁been ▁suggested ▁that ▁Car win ' s ▁conf ession ▁of ▁his ▁vent ril o qu ism ▁can ▁be ▁equ ated ▁with ▁Brown ' s ▁attempt ▁to ▁speak ▁with ▁Clara ' s ▁voice . ▁When ▁Car win ▁says , ▁" I ▁ex ert ed ▁all ▁my ▁powers ▁to ▁im itate ▁your ▁voice , ▁your ▁general ▁sent iments , ▁and ▁your ▁language " ▁( W iel and , ▁ 2 4 0 ), ▁it ▁can ▁be ▁read ▁that ▁Brown ▁himself ▁has ▁been ▁attempting ▁as ▁an ▁author ▁to ▁speak ▁using ▁a ▁female ▁voice . ▁See ing ▁vent ril o qu ism ▁as ▁a ▁met ap hor ▁in ▁Wiel and ▁reaches ▁a ▁deeper ▁truth : ▁that ▁things ▁may ▁not ▁be ▁as ▁they ▁appear , ▁and ▁genu ine ▁truth ▁must ▁be ▁act ively ▁searched ▁for . ▁ ▁Re ception ▁Many ▁modern ▁critics ▁fault ▁Wiel and ▁for ▁its ▁g imm ick ry , ▁and ▁late - e igh teenth ▁century ▁critics