Their entire philosophy revolved around their belief that man's soul was divided within himself after the fall of Adam.
ðɛɹ ɛntˈaɪɚ fɪlˈɑːsəfi ɹᵻvˈɑːlvd ɚɹˈaʊnd ðɛɹ bᵻlˈiːf ðæt mˈænz sˈoʊl wʌz dᵻvˈaɪdᵻd wɪðˌɪn hɪmsˈɛlf ˈæftɚ ðə fˈɔːl ʌv ˈædəm.