How do you broach the sensitive religious topic about the possibility a human soul might not actually exist?

Gingerly.

What did the pirate say when he turned 81?

Nothing, as he didn't exist. The probability of anyone in that demographic reaching their eighties is particularly low, and an active pirate being eighty one years of age is further rendered a statistical impossibility given that a pirate would need to be above a certain threshold in terms of physical ability.

What do you call inventory that doesn't exist?

Finnish Goods

Possibility Jokes More Possibility Jokes

What do you call a practice exercise preparing for the possibility of observing hole-making tools undergoing a military parade?

Drill drill drill.

How can you reduce the possibility of having an accident?

A: Be too drunk to find your keys.