What especially pitted him against church authorities, though, was his rejection of the Trinity, which doctrine defines God as three coequal and coeternal persons ​ — Father, Son, and Holy Spirit.
Vistons atzina Bībeli par grāmatu, kurā ietverta garīga patiesība, tāpēc viņš noraidīja mācību par elli, kurā ļaundariem jācieš mūžīgas mokas ugunī.