The Wager would not get off the ground if rationality requires refraining from assigning a probability to God's existence.

1. Undefined probability for God’s existence. Premise 1 presupposes that you should have a probability for God’s existence in the first place. However, perhaps you could rationally fail to assign it a probability—your probability that God exists could remain undefined. We cannot enter here into the thorny issues concerning the attribution of probabilities to agents. But there is some support for this response even in Pascal’s own text, again at the pivotal claim that “[r]eason can decide nothing