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I don't know... I haven't read anything about debauchery, but I won't deny anything outright. I'll just repeat what I know: the Perfect ones did not sin (nor lie!), and only they could perform the Consolation, which liberated the spirit and provided a path to paradise. You are absolutely right about matter, and half right about the world: the Albigensians believed that God created souls, and the devil (by the way, they called him Demiurge:D, which, if I'm not mistaken, means craftsman) created bodies and imprisoned souls in them. And it was necessary to completely free the soul from carnal desires.