“We now, for the first time, attack the question of doubt.
‘The Soldier and the Hunchback’ should be carefully studied in this connection. The attitude recommended is scepticism, but a scepticism under control. Doubt inhibits action, as much as faith binds it. All the best Popes have been Atheists, but perhaps the greatest of them once remarked, ‘Quantum nobis prodest haec fabula Christi’.” [via, see, see]
“Quantum nobis prodest haec fabula Christi” widely attributed to Pope Leo X (trans. “It has served us well, this myth of Christ”)