Pascal feared Pyrrhonian Scepticism because, unlike the readers of the sixteenth century, he felt sure it did threaten religious belief. By now, doubt was no longer thought a friend of the Church; it belonged to the Devil, and must be fought against. And here lay the problem, for, as everyone had always seen, Pyrrhonian Scepticism was almost impossible to fight. Any attempt to quarrel with it only strengthened its claim that everything was open to dispute, while if you remained neutral this confirmed the view that it was good to suspend judgement.

