Laurence Cossé’s 1996 novel Le coin du voile (A corner of the veil) describes the effects of a new and irrefutable proof for the existence of God. A priest who had resigned his calling to spend months in prayer and abstinence submits the proof for publication in Outlooks, the lay journal of the French Casuists. All those who read it are completely convinced. On seeing its effects, the Provincial of the Casuists decides to keep the proof secret until its effects can be more clearly understood. Finally, the Secretary of State at the Vatican arranges for all those who had read the proof to retire from any contact with the public and for the proof to be kept hidden. The proof becomes a pontifical secret – “a piece of information the Holy Father must not learn under any circumstance.”