  It is easy to misunderstand Damian’s position regarding the validity of the principle of non-contradiction and the possibility of altering the past. This is partly due to the disorderliness of some of Damian’s ideas. There is also another important factor which promotes misunderstanding. In Damian’s view, there are some ideas that you should not articulate even though they are true. The idea that God cannot undo the done counts among these.