Life: June 26, 678 - January 10, 681
Birthday: June 26
Death: January 10
We declare that no one is permitted to introduce, or to describe, or to compare, or to study, or otherwise to teach another faith. Whoever presumes to introduce or teach or pass on another creed . . . or whoever presumes to introduce a novel doctrine . . . We declare to be anathematized.
topic: Doctrine, Study, Introducing