To a census-taker, who asked him in 1872 if he was a Catholic, Hugo replied, "No. A Freethinker." Hugo predicted that Christianity would soon disappear, but men would still believe in God.
"These two gentlemen [Jesus and Satan] have had more influence than all others put together, and 99 percent of it was Satan’s. [And Satan is] worth very nearly a hundred times as much to the business as was the influence of all the rest of the Holy Family put together."