3 things that don't go well together:
- Mentos & Coke
- Alcohol & Curd
- Heretic & Pope

3 things that never mix:
- Oil & Water
- Angels & Demons
- Heretic & Pope

3 things that naturally repel each other:
- Magnetic North & Magnetic North
- Magnetic South & Magnetic South
- Heretic & Pope

3 things that can't be head of the Catholic Church:
- A Pineapple
- A Wraith
- A Heretic

3 things less probable than a heretic Pope:
- A Kalahari man seeing the Northern Lights
- A Yeti learning how to figure skate
- A Lefebvrist agreeing that there is no such thing as a heretic Pope